The Guy Who Tamed Chickens - Chapter 31: Grumpy Old Man

One-eyed Wolf Lecan is a skilled adventurer who has conquered many dungeons all over the world. He had been going solo for a long time, but in the last three years, he’s had a partner. That partner jumps into the black hole together with Lecan, and both go their separate ways as they fall into another world. Dungeons and magical beasts also exist in that world. After learning the native language, Lecan goes on a journey. Meeting a good teacher, Lecan studies medicine making and magic under that teacher, and begins his dungeon explorations for real.

Poison — a cold-blooded assassin, abandoned by his family and cast into the shadows of the underworld. He lived without purpose... until a supreme being took notice.Just like that, everything changed.---In a world of swords and magic, rumors spread of a strange, otherworldly café. A place where both mages and ordinary people can enter foreign realms, fight legendary battles, and return with enhanced magical power and understanding.But there’s one rule whispered by all who know of it:Never offend the owner.He may look lazy, uninterested, and far too calm...But those who challenge him are never seen the same way again.They become “special slaves” — forever bound by punishment and magic, trapped in service to a man far more terrifying than he appears.---He owns the café. He controls the worlds. And now, he’s just getting started.

Follow Chen Ming as he accepts disciples, establishes a sect, and fights his way in a world that deems him a cannon fodder.
He goes against any common sense using his wits and novel knowhow to finish missions and arm himself against his cruel fate.

I started off as nothing, just a mass of consciousness that slowly evolved. Just your average overpowered existence hungry for a multiverse adventure.