Skill-Eater: Prison World Saga - Chapter 2: Jailbirds

After being awakened by a raging headache and faint memories of his past life, Tsubakihara Yuuji found a strange smartphone he had never seen before.Opening it, he found a single question that would change his life and many others for the better, forever.[Do you wish to join the Multiverse Group Chat?][Yes] / [No]

A tale about the former leader of a special organization that served under royalty, now leaving his past life behind and unintentionally getting involved with the martial world.

Black belly, online IQ

Reborn in the magnificent world of cultivating immortals

Everything is based on ‘stability’, and everything is settled before moving, and when moving, there is a thunderbolt, and after moving, there is no sound.

Hidden cards, refining elixir, practicing escape, and practicing spells.

Drugboy official group: 547741836

- Description from novelbuddy

Flatten the Devil's Palace, eradicate the demonic cult, slaughter the demon lairs, sweep through the demon realm, dominate the heavens and earth, control the three realms, be the supreme master of the mysterious sect, master of the Nine Yin, the 17th head of the North Star Sword Sect, the Heavenly Fiend Lone Star, the Supreme Sword Soul, the Supreme Infinite Mysterious Heavenly Wishful Great Sword Patriarch... Also known as Iron Egg, known for the wild history of relentless killing.