Skip to main content
RSGOALS · RS3

How Do You Do, Fellow Demon

How Do You Do, Fellow Demon is a members achievement in the Combat category (Zamorak), worth 5 RuneScore points. It needs 29 Archaeology.

In game: “Use a Greater Demon Mask on the Denizen of Infernus.”

5 RuneScoreCombatZamorakMembers

Updated . From the RuneScape Wiki's achievement data (CC BY-NC-SA 3.0), checked 2026-10-09. Wiki page.