469 Living Chess

Relic Gu can directly increase the foundation of the aperture, raising a Gu Master's cultivation realm.

From rank one two five, they were: green copper, red steel, white silver, yellow gold, and purple crystal relic Gu. Relic Gu were mortal Gu, there were no rank six and above Immortal Gu for it.

Among them, green copper, red steel, and white silver relic Gu were widely sold in the market. As for yellow gold and purple crystal relic Gu, because they affected the battle strength of rank four and five Gu Masters, and could influence the status of many forces, they were restricted and controlled by large organisations, and were hardly sold in the market.

But in treasure yellow heaven, yellow gold and purple crystal relic Gu were available.

Gu Immortals could not raise their cultivation through purple crystal relic Gu, but they were still very rare Gu.