I Have Ten Identities. How Can You, the Chosen One of Destiny, Hope to Defeat Me?

[Villain Protagonist + Ruthless and Decisive + the Myriad Worlds + Harem + Immortality + System + Invincible + Multiple Worlds] Long Xingchen is transported into a book. Not only is he a cannon-fodder villain, he’s also the Sword Sect’s number-one simp, its Holy Son. Right off the bat, he faces the threat of having his bones extracted. After talking the heroine into leaving, the male lead shows up and backs him into a corner. At the critical moment, he awakens a System, though this one seems different from the Systems in other villain novels. -------------------------------- Divider --------------------------- [Secret Realm 1] Junior Sister: “Senior Brother, this secret realm is a deathtrap. We’re done for.” Long Xingchen: “Don’t panic. In one of my past lives, I calculated the secrets of Heaven and rose to the top. The world called me the ‘Immortal Diviner.’” [Secret Realm 2] Fated Male Lead: “I’ve inherited the Heavenly Dao, and my swordsmanship has reached the Sword God level! Today is the day you die.” Long Xingchen: “What a coincidence. I practiced the sword in one of my past lives too. I didn’t achieve much, except that the world called me the ‘Red Dust Sword Immortal.’” -------------------------------- Divider --------------------------- A thousand years later, Long Xingchen stands alone, surrounded by countless domain demons. Not a trace of fear shows on his face as he says calmly: “I, Long Xingchen, have only one way to rule all: calculate the heavens, become a Sword Immortal, lay down Dao formations, develop technology, summon divine pets...”