[Treasure Map] Go to Tetra Ruins, Grand Corridor
Castilla · Cruise Sub 2 · Lv 1–110
Quest details
- Visit Billy at Castilla’s First Garrison for a pickaxe; provide the requested materials. Return to Tetra Grand Corridor, then continue to the Lake of Three Sisters.
| Stage | Where | Position | What to do |
|---|---|---|---|
| 1 | Tetra Ruins, Grand Corridor | — | Go to Tetra Ruins, Grand Corridor hidden area. |
| 2 | Castilla, Base 1 | X -2148, Y 5997 | Talk to Billy at Castilla, Base 1. |
| 3 | Castilla, Base 1 | X -2148, Y 5997 | Find 1 strong pickaxe, 10 iron ores, 10 high quality woods and talk to Billy. |
| 4 | Tetra Ruins, Grand Corridor | — | Go back to Tetra Ruins, Grand Corridor hidden area. |