Han Yi was well aware of Yang Jiu Huan's concerns.
Although she had received a great opportunity and made contact with a Heavenly Sovereign Treasure, allowing her to practice with the aid of this Supreme Treasure and rapidly increase her cultivation level, high rewards naturally meant high risks.
This was a Heavenly Sovereign Treasure, after all. Should anyone attempt to rob it, the aggressor must be at the level of an Immortal Monarch or above, and even Ancestors and Heavenly Sovereigns might personally intervene in the struggle. Figures of such magnitude, let alone Li Zhengyang, would be beyond the protection of both Immortal Monarch and Immortal Venerate.
Moreover,
Ye Wuxian seemed to be in pursuit of something. With the Wild Tower in her possession, she needed to follow it closely. Having encountered countless formidable enemies and dangerous territories, she naturally did not wish to entangle Li Zhengyang in her affairs.