Item level 1 · Stacks to 100 · Prices on every WoW Forever auction house
Yellow Power Crystal on every WoW Forever auction house, updated hourly. Cheapest right now: 3s 98c on US · RP I · Horde. About 6,110 sell per day across all markets.
Busiest market
US · PvP · Alliance
Lowest11silver99copperUsually 14silver25copper≈ 1,280 sold per day