Guildmaster inside Club Vanquisher who befriended Prepotente's family and gave them the club's interior map.
Prepotente explains that his mother, Bianca, and he made friends with a delightful guildmaster inside Club Vanquisher, and that she gave them a map of the entire place — the origin of Prepotente's Club Vanquisher Map.
With it, the family used one of the Club Vanquisher Secret Entrances and came out of a bathroom stall inside the entrance temple. Carl, hearing this only as they reach the door, stops dead and can barely believe it never came up before.
The unnamed insider whose gift gives Carl's raid its interior map and escape routes.