Geonathan Greatforge

 is an NPC found in the of the Crystal Hollows, who allows players to modify their Drills.

Information
If the player does not have a Drill, he tells them to return with one. When clicked with a drill in the inventory, the Drill Anvil opens, allowing the player to refuel and modify their drill(s).

Trivia

 * is one of the two NPCs in the Crystal Hollows with set coordinates, the other being Emissary Sisko.