Owari No Seraph

When vampire has hunger at lvl 0, you can change him into weapon by killing him.

Add items: syrgin, K.O. syrgin, vampire blood syrgin.

When you inject player with K.O. syrgin and player has less than 5hp, he will automaticly teleport to the nearest player, so you can kidnap player or mob and use him to farm blood.

With key R you can use special ability that has black demon weapon series but you will need recharge those ability with energy drink.

Minecraft bottle can be change into mod bottle that can be changed into syrgine.