The Demon God Simulator: Starting from Zero

[Blurb revised]

Linlang joined the beta test for a game called [Demon God Simulator].

The game's advertisement: Raise the strongest demon god from scratch!

The actual game: Choose your starting form: apple, snake, bird, bamboo...

Linlang: From absolute zero?!

·

Liyue: [Jingwei]

[Age 0: You are an utterly ordinary, unremarkable seabird.]

Linlang: Does the System explode if it doesn't emphasize how ordinary I am?

[Age 1: You are unfortunately caught up in a battle between the Geo Archon, Morax, and the Overlord of the Vortex.]

Linlang: Just from the titles, I can tell whose coattails I should ride!

[You have been tainted by the divine blood of the Geo Archon. Would you like to temper your body with divine blood and become a demon god's scion?]

Linlang: Oh! A lucky encounter! Yes, yes!

[Because you bear the Geo Archon's aura, the Overlord of the Vortex has marked you as an enemy. Beware the sea and the vortex, and do not let them take your life.]

Linlang: I get it. I'm following Jingwei's script!

·

Natlan: [Feathered Serpent]

[Age 0: You are an unambitious, mediocre dragon-snake hybrid.]

Linlang: A dragon-snake hybrid is mediocre? Just watch me mutate!

[Age 1: Scorned by the dragons, you meet a human-dragon hybrid who is equally despised.]

Linlang: Got it. This is my destined underling.

[Age 10: You and your like-minded companions embark on the glorious quest to overthrow the Dragon King.]

Linlang: The plot gets this wild? An elementary-school snake... saving the world?

·

Snezhnaya: [Golden Apple]

[Age 0: You are the cheapest golden apple among the many gifts a demon monk presented to the White Tsar.]

Linlang: That's a fruitless personal attack! I'm reporting you!

[Age 1: The White Tsar bestows you upon a noble fairy. Clever as you are, you immediately see that this is a scheme to kill three fairies with one apple.]

Linlang: I'm starting to think... the White Tsar doesn't look like a good person!

[Age 18: You rebel. You succeed. You become the most legendary Golden Apple in Teyvat's history: the Apple of Desire Who Ruined a Nation!]

Linlang: That's me, all right!

After the beta ended, Linlang had perfectly cleared every stage. Delighted, he went to the parcel station to collect the grand prize for being the first player to clear the game, but slipped and got himself a transmigration starter pack instead.

With the help of a kind wandering bard, Linlang, penniless in another world, became an adventurer, hoping to earn enough for the day's meals by helping people find their cats.

Then he spotted the ultimate quests at the very top of the Adventurers' Guild quest board, still uncompleted by any adventurer:

[Archaeology] The Fall of the Overlord of the Vortex,