Lesser Demon

Lesser Demon is a demon with combat level of 79.

Locations
Inside the Karamja Volcano, next to level 37 Deadly Red Spiders and level 25 Skeletons

100% drops
Ashes

Other drops
Coins (very common)

uncut sapphire

uncut ruby

gold

Half of a key

Runes
Fire-Runes (common)

Chaos-Runes

Death-Runes

Weapons and armour
Large Steel Helmet (common)

Steel Scimitar

Steel Axe

Mithril Square Shield (uncommon)

Mithril Chainbody (semi-rare)

Rune Medium Helmet (rare)

Note: Lesser demons don't seem to drop any herbs