Tang San was unaware of Zhang Haoxuan's rich inner thoughts. Teaching everyone abilities, he naturally knew that Zhang Haoxuan was watching, and this wasn't something worth hiding. With the slight sense from his divine consciousness, along with the perception of changes in luck after the fusion with the Heavenly Fox Eye, he could be certain that Zhang Haoxuan harbored no ill will towards him.
In fact, he didn't need anyone's redemption to help him; what he needed was a safe place and time to improve himself. As he became increasingly familiar with this world, he also gradually found the direction for his own improvement.