Strongest Offline Cultivation - Chapter 16

I, the protagonist, was just an ordinary NEET, but suddenly I was reincarnated as a tiny white snake in a fantasy world where legendary creatures and gods exist. Not only that, but I awakened in a cave as the offspring of a terrifying Medusa Serpent.Armed with only my human knowledge and my indomitable mental strength, I'm forced to use cunning tactics and rapidly evolving skills to survive against far stronger monsters and humans... So begins the survival story of a former shut-in with incredible willpower, living as one of the lowest-ranked beasts in a world of magic!ᆖMusic suddenly started playing in my head.I'd been waiting for this moment for so long.'Snakes! Assemble'....

Traveling through the fantasy world, becoming the descendant of the immortal family in the fairyland, born with a Chaos Physique, accompanied by a piece of Immortal Bone and a Primordial Seal.Starting with the Chaos Physique, he pushed forward all the way to be invincible.There are thousands of geniuses in the world, and they all have to bow their heads when they see me.

“Su Jingzhen, you’re not young anymore, and your sister-in-law has come to ask you. Do you want a Dao Companion or not?”“Sister-in-law, who is it?”“I…”As a male cultivator, Su Jingzhen had always thought that he would live a peaceful life in the immortal world, but unexpectedly, he became the hardest whetstone to sharpen others.

Reborn into the world of Yugioh, it's natural if my goal is to become the best duelist!