Sequence-Based Superpowers, International Setting, Rated 9 or Higher, and Smart Protagonists and Enemies 序列异能，国际版，9分以下不要，主角敌人有脑

1. 401 末 Doomsday Wasteland: I Have a Fate-Bound Pocket Watch 末日废土，我有一只命运怀表 Xin You Lin Xi馨有林夕Urban130k WordsOngoing [Wasteland Apocalypse + Divine Sequences + Manipulating Fate + One Heroine + Mental Instability] Chen Mo transmigrates to a wasteland and becomes a lowly scavenger in the Ash District of Rock Fortress. The place is rife with danger, overrun by mutated creatures, ruled by gangs, and plagued by a corrupt Fortress Council. But he doesn't panic. That's because he has a pocket watch that can predict the future. All he has to do is ask a question, and the watch will give him a prediction. Badly injure 1Reads—Score—Shelves
2. 402 板 A Brick for Dragons, a Fertilizer Sack for the Gods 板砖拍巨龙，尿素袋子套诸神 Ding Fou丁缶Urban1.0M WordsCompleted [Unconventional Cards + System + Comedy + Irreverence] When Jiang Chen wakes up, he has transmigrated to the Spirit Card World and gained the Infinite Enhancement System. Brick → Heaven-Flipping Seal, fertilizer sack → Cosmos Bag, slippers → Wind-and-Fire Wheels, straitjacket → Yin-Yang Daoist Robe, doll → Empress... One absurd spirit card after another is enhanced into a legendary existence. Dragons tremble beneath bricks, and gods bow to fertilizer sacks... Everyone who sees Jiang Chen wants t 792Reads7.5Score100Shelves

   Reader note

   These are pretty good, you can take a look.

3. 403 融 Fusing the Genes of Ten Thousand Races, I Hunt in the Main God Space 融合万族基因，我狩猎主神空间 Fierce in Adversity逆境炽烈Urban671k WordsCompleted [Ruthless + invincible + bloodthirsty + fusion and mutation + giant creatures + infinite worlds + evolves from a snake + transformation + mimics a black-haired loli, later becomes a white-haired loli] Devour a tardigrade, obtain its genes, fuse them, and gain the ability to adapt to extreme environments. Devour a titan beetle, obtain its genes, fuse them, and gain immense strength. Devour a poison dart frog, obtain its genes, fuse them, and gain a poisonous body. Devour an alligator snapping tur 5.4kReads9.2Score702Shelves
4. 404 星 Conquest of the Star Sea: Am I the Only One Choosing to Ascend Through Natural Disasters? 星海争霸，只有我选择天灾飞升？ Red Ram红羊Sci-Fi & Apocalypse877k WordsCompleted [This book is the sequel to "Cultivating Immortality Is Hard? I Can Just Rewind Infinitely"!] [StarCraft + Warhammer + Fourth Calamity + Scheming and Hilarious + Rivers of Blood + No Female Lead] When human civilization broke free of gravity and reached the sea of stars, a brutal yet dazzling game of war began. Every powerful lord was a precious beacon of hope for all of human civilization, bringing blessings that would lead it forward. Just as civilization was flourishing in every direction, te 8.5kReads9.2Score688Shelves
5. 405 看 You Look Down on Security Guards? Time for a Little Fist! 看不起保安？小铁拳来喽！ Orange and Grapefruit橙子和柚子Urban2.1M WordsCompleted [Role-playing + choices + comedy + superpowers + school life + nearly invincible] Some people don't become security guards until they are sixty. Qin Yu is different: at just eighteen, he has become the honored five-star general of Biguiyuan, skipping decades of detours compared to everyone else! It's all because he awakened the God-Tier Role-Playing System. As long as he plays different professions, he can earn rewards! [Play the role of an outstanding security guard] [Mission objectives]: 1. St 19.3kReads8.6Score1.8kShelves
6. 406 从 From a Baron's Second Son to a Dragon Knight 从男爵次子到龙骑士 Frostfire霜火Eastern Fantasy1.3M WordsCompleted [Single female lead] [Lots of devoted followers of both genders] [A male incubus who’s irresistible to magic] [War] [Lord] [Farming] [Western Fantasy] [Battle aura] [Dragons] [Kamen Riders] Also known as A Heart of Gems Humility, honesty, mercy, courage, justice, sacrifice, honor, soul. This is a continent of Kamen Riders torn apart by war. Dragons soar through the skies, and humans rule the land. The featherfolk, sea folk, and others are confined to the continent’s wild frontiers. Three great e 9.2kReads8.5Score594Shelves

   Reader note

   I have many books rated 9 out of 10, I'll recommend 20 for now. I also have some lower-rated but still excellent ones that are just as good as 9 out of 10.

7. 407 我 I, Godzilla, Ruler of the Ancient Gods 我，哥斯拉，古神支配者 I Have a Sea我有一片海Eastern Fantasy423k WordsCompleted [Ancient gods + Lovecraftian horror + lordly territory-building + civilizational evolution] One day, Wang Chan transmigrated and became a baby Godzilla. He also had a black sun for a birthplace, so he could hardly have it better. Every day, he did nothing but eat and sleep, and sleep and eat. Then one day, when he finally emerged, the mortals of countless worlds saw a creature... 108,000 zhang tall, surrounded by boundless rivers of molten flame, with the sun and moon above its head and the unde 5.2kReads9.1Score378Shelves
8. 408 死 The Grim Reaper? Call Me the Gatling Bodhisattva! 死神？请叫我南无加特林菩萨！ Li Gouqi李枸杞Urban1.4M WordsCompleted (Full-cast audio + comic adaptation) [Hilarious antics + Superpowers + Mental illness + Merit + System + Parody] When a menace awakens an SSS-rank explosive ability, sorry, school... I’m blowing the whole place up... Someone broke into my house? Blow it up! Someone’s robbing the black market? Blow it up! Someone’s robbing a bank? Blow it up, blow it up, blow it all up! The Goblin Abyss? Wait, I’ll blow that up later. First, let me slip in a laxative... Xing Ye, last in the whole school, awakens 19kReads8.8Score2.1kShelves
9. 409 刚 I Just Hatched, and a Seven-Hundred-Meter Dragon Is Staring at Me 刚破壳，七百多米的巨龙盯着我 Golden Grains of Rice金色米粒Eastern Fantasy8.2M WordsCompleted “We came from the starry sky. It is our dream, our ambition, our future, and our home. We are star dragons, and the starry sky means freedom. We were born free!” Newly awakened Viter listens to the one he calls Father teach him, and from that day on, he has a goal in life: the starry sky! But first, he has to grow up safely in this dangerous world known as the Dragon Realm! 54.2kReads9.3Score5.7kShelves
10. 410 穿 Transmigrated to the Post-Apocalypse, and the Troll Wants Meat 穿越末世，巨魔要吃肉 Smelling Roses with Eyes Closed闭眼嗅蔷薇Eastern Fantasy3.8M WordsOngoing [Awakening in Another World + Decisive and Ruthless + Lordly Conquest + Darkness Descends + Multiple Races (Succubi, Snake Women, Fox Women...)] Earth is hit by a dimensional reduction, downgraded to a two-dimensional world and turned into a block of data merged into another world among the Myriad Worlds. Some people survive by all sorts of means and methods, and establish organizations. Luo Shanhai is one of the survivors! But by then, Luo Shanhai no longer goes by that name. He is Shakesi Miya 18.6kReads9.3Score1.7kShelves
11. 411 别 Stop Running, There Are Monsters Everywhere Here 别跑了，这里到处是怪物 Doesn't Eat Konjac不吃魔芋Mystery1.3M WordsCompleted [Coming-of-Age Protagonist, Not a Wish-Fulfillment Story, Plot-Driven] On Lin Yi’s eighteenth birthday, his mother plunged a knife into his heart with her own hands. He thought he would die, but when he came to, Lin Yi discovered he was still alive. He was not only unharmed, but had even returned to the past. At first, Lin Yi thought it was all a hallucination. It was only when his mother picked up the knife on the table again that he finally realized the people sitting before him were not his p 19.9kReads8.9Score2.3kShelves

    Reader note

    These are all from the superpower series that I think are pretty good.

12. 412 全 Global Deities: My Divine Domain Is an Endless Abyss 全民神袛：我的神域是无尽深渊 Lord of the Raven渡鸦之主Eastern Fantasy1.2M WordsCompleted After the Abyss swept through and shattered Chu Hao’s world, he arrived in a strange new world. In this world, everyone could create a strange world of their own. A beautiful, exquisite elven world? A magnificent dragon’s nest plane? A world of ancestral shamans from the dawn of chaos? Those are all too weak. My creation is the Endless Abyss! This is an endless, suffocatingly terrifying place! This is a place of brutal conditions and deadly dangers! This is a place without morality or ethi 15.7kReads9.2Score1.4kShelves
13. 413 斩 Slay the Gods: Fusing with Nibelung, I Became the Black Sun from the Start! 斩神：融合尼伯龙根，开局黑日！ kikgMale-Channel Fanfiction325k WordsOngoing Good news: You've transmigrated. Bad news: It's the World of Slay the Gods. Good news: You have memories of your past life, so you know what's coming. Bad news: You don't have a Forbidden Ruin, and ten years ago, on October 24 at 2:36:19 p.m., you happened to be in Cangnan City when Shiva's resentment swept the place clean. A terrible start from the very beginning. As the Watcher of Night Watch Squad 136, Su Zhou decided to give up and coast. He'd planned to get on Lin Qiye's good side, spend a 3kReads9.0Score292Shelves

    Reader note

    💥💥This novel, "Godslayer + End," features a male protagonist who transmigrates into the body of Lin Qiye, a member of the Gods' Mental Hospital—the "God of the End"! At the start, Su Yun, whose healing progress is only 0.01%, Unlocks the concept-level echo [Breaking Ten Thousand Laws]! He shatters all "Godly Ruins and Forbidden Ruins"! [Cool]

14. 414 亿 With Billions of Talents, I Sweep Across All Races and Become Myself Again 亿万天赋，我横扫万族，做回自己 Self-Destructing Truck自爆卡车Urban232k WordsOngoing [Invasion by all races + supernatural abilities + apocalypse + ensemble cast + emotions + psychology + somewhat dark + not mindless + not a power fantasy + slow-paced] After the invasion of the myriad races, the aloof campus belle fell in love with me after I awakened supernatural abilities. Was it love that came too late, or a desperate compromise for survival? Disaster followed disaster, and everything seemed to reek of conspiracy. Was it the outsiders' scheme, or was someone acting with ulter 1Reads—Score—Shelves

    Reader note

    You'll come back and thank me. [Laughs][what]

15. 415 家 Clan Cultivation: I Am the Clan's Guardian Spirit Beast 家族修仙：我为镇族灵兽 Toward the North Sea朝北海Eastern Fantasy1.8M WordsCompleted [Mythical beast story, no human transformation, no romance, ensemble family saga] Reborn as a Blackwater Mystic Serpent named Mo Xuan, he gains a Clan Guardian Spirit Beast System and forms a bond with the Zhou family patriarch. He becomes the Zhou family's guardian spirit beast, and from then on, their fortunes rise and fall together. As the family gradually grows stronger, Mo Xuan also becomes one of the most powerful beings, and the name of the Zhou beast-taming family eventually resounds thr 35.2kReads9.3Score3.2kShelves
16. 416 神 The Divine Lord Picked Up a Demon Lord and Took Him Home to Raise 神尊捡了个魔君回家养 Fish Cake Tube圆筒鱼糕Ancient Romance478k WordsCompleted After the Demon Venerable loses a battle, he turns into a phoenix egg and is accidentally delivered to the Divine Venerable's residence. “What kind of egg is this supposed to be?” The Divine Venerable decides to roast it. Who would have thought a chubby baby would crawl out? After asking around and finding that the child has no parents, she simply takes him in and raises him for fun. She enjoys good food and takes other people's little immortals along to fight monsters and level up. But... i 1.2kReads9.2Score168Shelves
17. 417 你 You Found the Imperial Heirloom Seal? Nonsense, I Have No Idea What You’re Talking About 你捡到传国玉玺了？胡说，朕没有 Yu Jing Yu Ning与静与凝Urban392k WordsOngoing [High Martial] [Passionate] [Commanding Armies of Millions] I am Heaven's appointed ruler, long may my reign endure! It all begins when I find the Imperial Jade Seal while delivering takeout. The myths are returning? The paranormal is returning? I am here. Everyone, stay calm. “Awaken!” “My million-strong army!” 188Reads7.2Score—Shelves

    Reader note

    [Eating melon seeds] Don't be fooled by the low ratings of these books, they're incredibly addictive! [Eating melon seeds] ❹ Demons invade, the world is on the verge of destruction. To save itself, Earth forges a summoning platform, allowing humans to summon otherworldly beings to strengthen themselves and resist the demons. ❸ The male protagonist awakens a system that adds points to evil deeds on Earth! Geniuses from various countries: "I'm not here! I just gave my name, and he came rushing over with a look of delight!" ❷ During the awakening ceremony, while others awaken cool lightning-type talents, superhuman talents, and heroic spirit talents, Cheng Yuanci awakens a beast transformation talent, turning into a 30-meter-long python. ❶ The male protagonist finds the jade seal and immediately shouts: "Everyone, don't panic!" "Wake up!" "My million-strong army!"

18. 418 黎 Dawn Tower 黎明塔 Wise Little Star智哆星Sci-Fi & Apocalypse1.4M WordsCompleted They're here! They're here! A shocking conspiracy is looming over the entire world! Natural and man-made disasters, with zombies everywhere! Please don't lose yourself in the darkness! May the dawn's light shine forever! 55.4kReads9.3Score4.2kShelves
19. 419 觉 I Transformed into a Starry Sky Python at the Awakening Ceremony 觉醒仪式上，我变身星空巨蟒 Pelican Princess鹈鹕公主Urban211k WordsOngoing [Beasts] [Story-Driven] He transmigrated to a high-martial world teeming with ferocious beasts. At the awakening ceremony, everyone else awakened flashy lightning, superhuman, or heroic spirit talents. Cheng Yuanci awakened a beastification talent, transforming into a thirty-meter-long giant star serpent, with a python’s head as big as a small car. The good news: his star serpent beastification talent was SSS-ranked. The bad news: he couldn’t turn back! With his terrifying giant serpent body, Ch 166Reads6.2Score—Shelves
20. 420 别EN You're Speedrunning High-Level Martial Arts While Others Suffer? 别人练功吃苦，你直接速通高武？ Changshou Can't Fly长寿不会飞Urban3.5M WordsOngoing [Signed for publication] [High martial arts + wish fulfillment + total domination + fast-paced + ruthless] “Ye Li, your opponent this time is my boyfriend. You’re no match for him, so hurry up and forfeit...” “You knocked him to his knees?!” “Ye Li, why did you apply to the top of the five great academies? Didn’t your teacher tell you not to get complacent and to keep your feet on the ground... You’ve already been granted early admission?!” “Ye Li, this strange beast rules the whole region. We’r 142.9kReads9.1Score10.8kShelves
21. 421 大 Great Tang: Li Shimin's Number One Enforcer 大唐：李世民的头号打手 The Five Black Categories黑五类Historical1.1M WordsCompleted [Decisive and ruthless] [Unmatched martial prowess] [Noble titles and military honors] [Technology for the people's livelihood] A hotheaded nationalist transmigrates to the end of the Sui dynasty, at the dawn of the Tang, and Jiu An promptly latches onto Erlang, becoming one of his low-ranking soldiers. On his first battlefield, he discovers a mysterious ability: killing enemies makes him stronger. To grow stronger and ensure the Han dynasty lasts for ten thousand years, Jiu An starts making gra 42.5kReads8.7Score2.8kShelves
22. 422 恐 The Terror Dominator 恐怖支配者 A Desolate and Lonely Silhouette萧索而孤独的背影Eastern Fantasy339k WordsOngoing [No System + controlling multiple characters + Western fantasy world + parasitic domination + growth + building a faction + smart, satisfying story] As the most unlucky transmigrator in history, Zhou Xu gets eaten by a primitive tribe from the start. He is summoned to an unknown space, where he encounters a being that seems to be an evil god and is given a new form. Just as he thinks his life is hopeless, he is surprised to discover that the evil god's powers seem pretty good. Parasitism and dom 5Reads—Score—Shelves

    Reader note

    The protagonist is based on Amon.

23. 423 直 Livestream: One Song, "Tears of a Dancer," Leaves Dai Xiaomei Stunned 直播：一首舞女泪，唱懵呆小妹 An Accident是个意外Urban1.1M WordsCompleted [Livestreaming + outrageous antics + sign-in rewards + comedy + absurdity + female streamer + female entertainer] Jiang Yun unexpectedly obtains a livestream sign-in System. All he has to do is livestream to receive sign-in rewards! To rack up livestream hours and claim the System’s rewards, he decides to connect with other streamers. His first guest is the popular streamer Dai Xiaomei. Dai Xiaomei: “What talents do you have?” Jiang Yun: “I can sing.” Dai Xiaomei: “Let’s hear it.” Jiang Yun: “On 47.2kReads9.1Score3kShelves
24. 424 她 They Were Reborn and Said I Was the Savior 她们重生了，说我是救世主 Deep-Fried and Braised油炸红烧Urban448k WordsOngoing Monsters invade, and the world teeters on the brink of destruction. To save itself, Blue Star builds summoning platforms that let humans summon beings from other worlds, strengthen themselves, and fight the monsters. And so Blue Star ushers in the Great Summoning Era! Lin Daotian transmigrates to this world and summons all kinds of creatures that look adorable but are actually vicious. He plans to keep a low profile and grow stronger, but then... Reborn Person No. 1, the aloof campus beauty: "In 46Reads7.4Score—Shelves
25. 425 亡 Necromancer: My Skills Level Up Once Every Second 亡灵召唤师：技能每秒升级一次 Suit-Wearing Rogue西装狂徒Urban1.0M WordsCompleted [Feel-good story + no female lead + invincible protagonist + dungeon progression] After changing class to become a Necromancer, he can level up a skill once every second, with no upper limit. The upgrades are permanent. [Little Skeleton Summoning] - [Big Skeleton Summoning] - [Elite Skeleton Summoning] - [Epic Skeleton Summoning] [Darkbane Skeleton Summoning] [Twilight Skeleton Summoning] After countless upgrades: [Summoning the Return of the Great Bone Emperor] Infinite upgrades, never-endi 11.3kReads7.8Score1kShelves
26. 426 超 Super Beast Armor: I Save Fenghuang from the Start 超兽武装：我，开局救下凤凰 Crazy Squid疯狂鱿鱼Anime Fanfiction620k WordsCompleted [Ultra Beast Force + Hades + fan fiction + System] Tian Yao transmigrated into the world of Ultra Beast Force and became Hades' adopted son. Though blessed with exceptional talent, he suffered from a terminal illness. After being reborn, he awakened the Ultimate War God System and rose step by step to become the strongest war god across the seven parallel universes. Hades: “I knew the child I raised wouldn’t let me down. His talent is even greater than mine!” Feng Yao: “As fellow war gods, I adm 8.6kReads8.9Score636Shelves
27. 427 黑 The Source of Darkness 黑暗之源 Pumpkin and Millet Congee南瓜小米粥Urban1.1M WordsCompleted [Xuanhuan] + [horror] + [light novel] + [comedy] + [single heroine] This is a game of wits between the gods. After transmigrating to a world of Origin Cards, Liu Huanzhen learns that the previous owner of his body worked hard at school by day to become a top student, studied necromancy by night as a heretic, and still found time to confess to the gorgeous campus belle! Staring at the page of densely packed symbols, with his classmates looking at him pleadingly, Liu Huanzhen falls into deep thou 4.2kReads8.8Score381Shelves

    Reader note

    An absolute masterpiece, it's just that too few people have read it, so the rating isn't high; otherwise, it would definitely be above 9.6. It's somewhat similar to Lord of Mysteries. It's a completely new system.

28. 428 山 The Immortal on the Mountain, the Wife by My Side 山上的仙，枕边的妻 Reaching Up to the Azure Heavens顶上接青霄Eastern Fantasy529k WordsCompleted [One heroine + slice of life + farming and cultivation + leveling up + sweet romance] [Not a typical power fantasy] [Slow burn] Old Xu had told Xu Chengyu since childhood that there were no immortals in this world, and certainly no such thing as cultivation. It was all a pack of lies. He must never believe it. When Xu Chengyu turned twenty, Old Xu arranged a marriage for him. Barely a month after the wedding, an unexpected turn of events forced Xu Chengyu to leave home with his breathtakingly be 4.8kReads9.1Score402Shelves
29. 429 盗 Tomb Raiding: The Corrupted Qilin Tattoo 盗墓：邪化麒麟纹身 Bai Xiaofei of the City Gate城门白小飞Mystery809k WordsCompleted [South Sea Return to the Ruins, Under One Person + tomb raiding + Old Nine Gates + the Qilin boy + century-old families + exposure + immortality + the uncanny] The soldier, the actor, and the immortal led astray. The rakish devil laughs like a Buddha. The beauty who reads fortunes plays a game that reaches the heavens. This is a story that belongs to the Old Nine Gates. 10.9kReads9.2Score842Shelves
30. 430 剑 Sword Seed 剑种 Xu, Qing许、青Eastern Fantasy789k WordsCompleted One female lead, no angst. A sixteen-year-old boy with a sword case on his back sets out to wander the world for the first time. He only wants to recover the remains of his elders. Step by step, he uncovers the secrets of the sword case and masters one peerless famous sword after another, until he becomes the sharpest sword in the world. 6.7kReads9.1Score683Shelves
31. 431 长EN The Immortal: I Lived to See the Next Epoch 长生者：我活到了下一个纪元 Feng Xiao Ya枫潇呀Eastern Fantasy1.2M WordsCompleted [Explosive action] [Invincible hero] [A hymn to civilization] [From myth to reality] [Emperor] [Boundless imagination] Do you know that the gods are merely humans who survived the previous era? Do you know that the stars and moons of the solar system have not existed since time immemorial? The people of the First Era built the Myriad Worlds. The people of the Second Era buried life and cultivated death. The people of the Third Era flew through the skies and burrowed underground. The people of th 8.3kReads9.2Score731Shelves
32. 432 小 My Little Pony: The Wasteland Shadow Demon Storms Equestria 小马宝莉之荒原影魔勇闯小马利亚 MYLIMITAnime Fanfiction3.4M WordsOngoing (Lighthearted daily life in the early chapters, followed by a serious national development storyline later on) (One female lead) (Lots of original worldbuilding and original characters later on) What should I do if I find a wasteland shadow demon? Asking online, urgent. Princess Celestia: My dear student (son) (*^▽^*) Princess Luna: The future Minister of Defense of Equestria (⌐■_■) Twilight: When are you getting married? (灬º‿º灬)♡ Applejack: The hard-working laborer (^∇^)ﾉ♪ Rainbow Dash: A guy w 4.4kReads9.4Score426Shelves
33. 433 大 Snow Blankets the World, the Wind Carries the Blade 大雪满风刀 An Ren Dao Ruo Shan安仁道若山Historical3.3M WordsCompleted [No System, alternate history, political intrigue, a touch of cultivation, no mindless characters, no invincible heroes] A mysterious woman is imprisoned in the depths of the imperial jail. The first time jailer Yang Zhan met her, he cursed her, calling her shameless! From then on, she had a name... Bilian! 23.9kReads9.0Score2.4kShelves
34. 434 大 Great Ming: From the Start, I Reveal Zhu Yuanzhang's Future 大明：开局剧透朱元璋 Qing Hong青红Historical1.3M WordsCompleted Xu Qing transmigrates to the end of the Yuan dynasty and happens to arrive during a battle between the rebel army and the Yuan forces. Guo Zixing’s rebels mistake him for a spy and throw him in jail. As it turns out, his cellmate is Zhu Yuanzhang. “Brother Zhu, what’s your dream?” Zhu Yuanzhang: “A wife, kids, and a warm bed.” Xu Qing: “Why not dream bigger? Like becoming emperor.” Zhu Yuanzhang: “???” Xu Qing: “I can see that you’re destined for greatness, Brother Zhu. One day, you’ll surely be 19.9kReads9.1Score1.6kShelves
35. 435 全 Global Paranormal Invasion: I Ate a God from the Start 全球诡异降临：开局吃了一神明 What's the Point of Picking a Name?娶个锤子名字Urban460k WordsCompleted In my sleep, I dreamed of a beating heart. After being forced to eat it, I woke to find the whole world had changed. The world was surrounded by the uncanny! Uncanny beings of all sizes were among humanity. What was going on? Could nobody else see them? Safe zones… The uncanny… Cults… Gods… To survive in a world like this, I’m done being human! Obtain the Evil God’s heart Devour the Evil God Become an Evil God 18Reads—Score—Shelves

    Reader note

    Both are great. The first one had some personal biases included, but it was still alright.

Other lists with Doomsday Wasteland: I Have a Fate-Bound Pocket Watch