Oyster Mash
Oyster Mash is a members achievement in the Lore category (Post-Quest), worth 5 RuneScore points. It needs Beneath Cursed Tides. It counts towards the Master quest cape.
In game: “Feed the giant oyster on Tutorial Island.”
5 RuneScoreLorePost-QuestMembers
Updated . From the RuneScape Wiki's achievement data (CC BY-NC-SA 3.0), checked 2026-10-09. Wiki page.
Requirements
- Beneath Cursed Tidesquest
Why it matters
- Needed for the Master quest cape.
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