Suspicious Fungus III
Suspicious Fungus III is a members achievement in the Skills category (Skilling Boss Croesus), worth 5 RuneScore points. It has no requirements.
In game: “Defeat Croesus. (X/25)”
5 RuneScoreSkillsSkilling Boss CroesusMembersHidden until done
Updated . From the RuneScape Wiki's achievement data (CC BY-NC-SA 3.0), checked 2026-10-09. Wiki page.
Requirements
None: any account can do this one as soon as it reaches the right place.