Dropped by
Configured rates, and the rate after the server’s drop multipliers
| Monster | Level | Kind | Rate | On this server |
|---|---|---|---|---|
 Elder | 64 | Drop | 30% | 30% |
 Clock Tower Manager | 63 | Drop | 20% | 20% |
 Clock | 60 | Drop | 0.3% | 0.3% |
Observed drop rates per monster are on each monster’s page.
Used in
Recipes that take Key of Underground as a material or guide · all recipes
Arrow Crafting turns one into 100 Arrow of Shadow.
Sold by
NPC shops
No NPC sells this item