- Norbert (Phoenix Castle 810, 458)
- OldQuarrier (Ape City 568, 527)
- 1 Sulphur
- 5 Saltpeter
- To get Sulphur you need to kill Bandits in Phoenix Castle until they drop it.
- To get 5 Saltpeter, mine 10 Euxenite Ores in Twin City mine cave and bring them to OldQuarrier in Ape City to exchange them for 5 Saltpeter.
- Bring 1 Sulphur and 5 Saltpeter to Norbert in Phoenix Castle and receive your Guild Bomb.