- After completing To Kill Mocking Birds and speaking to Duberasson in Western Adoulin, speak to Nantoto in Lower Jeuno and select the Black envelope.
- Activate the Shiver Me Timbers objective in Other > RoE Quests
- Make sure you have a Voidstone and the Amber stratum abyssite received from flagging VW Op. 050: Aht Urhgan Assault.
- Travel to any Arrapago Reef Planar Rift. Locations are (I-10), (G-8), and (G-10).
- The (G-8) and (G-10) rifts require Lamian Fang Keys to access.
- Spawn Dimgruzub by examining the Planar Rift while in possession of a Voidstone and Amber stratum abyssite.
- Defeat Dimgruzub solo to complete the objective.
- Can be completed with trusts.