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Corrupted gem detail.png

A corrupted gem is an item that may be dropped when killing creatures in Sophanem Slayer Dungeon. It may be used together with 1,000 Slayer points to upgrade a mighty slayer helmet to a corrupted slayer helmet.

To upgrade the helmet, visit any Slayer Master with the mighty slayer helmet equipped and the corrupted gem in the inventory. A new option will appear in the Slayer points rewards interface, listed as "Full Slayer Helmet Upgrade (4)". Upgrading a mighty slayer helmet the first time costs 1000 slayer points, and the corrupted gem will be consumed in the process. After upgrading to a corrupted helmet the first time, any additional mighty helmets will only cost 100 slayer points to upgrade, but will still consume a corrupted gem.

Drop sources

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For an exhaustive list of all known sources for this item, see here.
Source Combat level Quantity Rarity
Corrupted dust devil1071Very rare
Corrupted kalphite guardian1101Very rare
Corrupted kalphite marauder1101Very rare
Corrupted lizard1051Very rare
Corrupted scarab1011Very rare
Corrupted scorpion981Very rare
Corrupted worker1131Very rare
Crocodile akh1151Very rare
Feline akh1091Very rare
Gorilla akh1111Very rare
Imperial mage akh1301Very rare
Imperial ranger akh1301Very rare
Imperial warrior akh1301Very rare
Salawa akh1061Very rare
Scarab akh1221Very rare


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