Lumina

 is an NPC in the Dwarven Mines that sells Torches, Lanterns, and InfiniTorch™s.

Dialogue

 * We've got torches, lanterns. Pretty much anything to suit your needs.

After purchasing an item

 * Good doin' business with ya.

Trivia

 * The name "Lumina" is probably a reference to the fact that she sells items that can illuminate Private Islands or the Crystal Hollows.