The powerful equipment known as Ancestral Items or Pioneer's Equipment can be received from a Pioneer Support Soldier in return for Polishers. This equipment cannot be traded to other players, and the amount of Polishers required for a single piece of equipment increases with each trade. As an example, a level 20 Image:Polearm007.gif Novice's Ancestral Polearm requires 4 Polishers the first time, 8 the second time, etc. This can make acquiring suits of armor for all of your characters, or outfitting dual-wielders, somewhat expensive. It also makes upgrading your Pioneer's equipment a bit riskier.