Ten thousand year profound ice

Tai Bai Yun Sheng, talking through treasure yellow heaven prices, says a piece of ten thousand year profound ice costs half an immortal essence stone. ^{ch. 658}

Inside Four Elements Square Regret Blood Refinement Pool, grey fire burns like a mountain while wood path immortal materials melt like candles. At the bottom of the fire there is a ten thousand year profound ice, and rank eight Immortal Gu Heavenly Essence Treasure Imperial Lotus is sealed within that profound ice. ^{ch. 2232}