Jail break
Jail break is a members achievement in the Combat category (Rex Matriarchs), worth 30 RuneScore points. It needs Osseous Rex. It counts towards the Trimmed Completionist cape.
In game: “Free each of the baby dinosaurs from the jail cells within the Rex Matriarch lair.”
30 RuneScoreCombatRex MatriarchsMembers
Updated . From the RuneScape Wiki's achievement data (CC BY-NC-SA 3.0), checked 2026-10-09. Wiki page.
Requirements
- Osseous Rexquest, started (part-way is enough)
Why it matters
- Needed for the Trimmed Completionist cape.
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