Dark demon

Dark demons are level 132 and can hit up to 13. They can be found on Desert Island, so remember to bring waterskins when fighting them. They are mainly killed for amber and lunar charms. They can also drop Catfish that provide a food supply while you're fighting them.

Weapons and armour
Rune scimitar Dragon battleaxe (very rare) Rune platebody (rare) Dragon dagger (rare) Dragon medium helmet (very rare)

Ranged weapons and armour
9-22 Adamant arrows 2-10 Rune arrows

Magic
22 Blood runes 37 Death runes

Misc.
Coins (623-7,643) Grimy ranarr Uncut dragonstone (rare) Ranarr seed (rare) Shield left half (very rare)