【Fairy Tail】【System】【Invincible】【Insane】

Reborn in Fairy Tail, and it was still the era of humans and dragons four hundred years ago. The potion system was obtained after the death of his parents. In order to make more and more dragon-killing magic potions, he loves to draw blood.

: "Come on, line up for blood draw!"

: "Immortal Zeref? Don't move, let me draw some blood from you first."

: "Fire Dragon King Igneel? Don't say anything,