[He doesn't know! This is the first time he's ever talked to a energy-sucking demon.]

Now that's a long list. From a three-headed goose that keeps getting back up even after it's killed to swarms of seagulls with fangs, there's no shortage of monsters on every island.

[But he doesn't know if any of them could be "demons" or not.]

Giant mantis shrimps, zombie mermaids, tonberries... what do you want to know more about?