Black demon - OSRS Wiki

Black demons are large demons that inhabit a few dungeons throughout Gielinor. As demons, they have high combat stats but rather low Defence for their level. They are weak to demonbane weapons; as with most demons, they are also weak to magical attacks.

Skotizo - OSRS Wiki

Revenant maledictus - OSRS Wiki

OSRS Wiki Book

OSRS Wiki Book

Black Summoner - Wikipedia

Wilderness, Old School RuneScape Wiki

Kraken, Old School RuneScape Wiki

Black Knight - OSRS Wiki

Ice demon, Old School RuneScape Wiki

OSRS Black Demon Quick Guide - Black Demon Slayer Guide - OSRS Guide