C3 Leviathan-roc Astral Energy

Setting aside the issue with Yaen Hongling, the fact that Chen Rui had destroyed Yu Kun's Qi Sea alone was a surefire reason for Yu Kun to seek vengeance. Yet, Yu Kun hadn't anticipated crossing paths with Chen Rui so soon.

"Chen Rui and I are both at the Low Rank Qi Refining Stage! The Stage Four Martial Artist is categorized into Low, Middle, and High levels