Worldly Horizon Immortal Gu

At the auction of Worldly Wave Trace, an Eastern Sea Gu Immortal who already holds the relevant Immortal Gu recipe expects that obtaining Worldly Wave Trace would give a high chance of refining worldly horizon Immortal Gu. That Gu Immortal states that worldly horizon Immortal Gu can allow free entry into the immemorial nine heavens and can reduce the cost of breaking through the heavenly wind qi wall. ^{ch. 752}