Cat(?)

black fur, golden eyes, black whisker, black pupils and kitten-like body.

blood... It may bite you when you're gonna bring it home or make it comfortable enough for being confident. Or even lick out your wounds, enjoying the taste. It also likes the ordinary things like a usual cat, like playing, hunting and etc. But sometimes his little playings may cause to your death.

The cat dislikes water, as well as the usual cats and etc. but the cat may turn everything into LITERAL inhuman mysterious chaos, in case if you're gonna wake it up suddenly or move it away as it sleeping.