Unstable protean plank
Unstable protean plank is a members item. Unstable protean plank doesn't come from monsters, shops or a recipe; it comes from Ultimate Showdown, Double Dragon Chests, Crystal Capsules and Firework Festival, plus 4 more listed below.
MembersUntradeable
Updated . Sources from the RuneScape Wiki's drop, shop and recipe data (CC BY-NC-SA 3.0), checked 2026-10-09. Item sprite © Jagex.
Ironman verdict
Unstable protean plank is members-only. It is untradeable, so every account, Ironman or not, gets it the same way.
At a glance
- Members
- Yes
- Tradeable
- No
- Monster drops
- None
- Shops
- None
- Recipes
- None
- Used in
- Nothing
Other sources
- Ultimate Showdown
- Double Dragon Chests
- Crystal Capsules
- Firework Festival
- Santa's Grotto
- Vault of Riches
- Egg Hunt (Treasure Hunter promotion)
- Rainbow Trail
Minigames, reward chests, clues, skilling and other non-combat sources.
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