Tan Shuchang was very clear about the strength on Bai Zhi Mountain, so when he discovered that the only cultivator there that he feared, a Third-Enlightenment cultivator, was actually chasing after him to Tengu Ridge, he naturally had other ideas in mind.
Offending one Immortal Clan is the same as offending three.
There's little difference.
As for the other alchemy cultivators on Bai Zhi Mountain, he genuinely had no intention of killing them. As long as these people didn't attack him, his Star Fate Divine Skills wouldn't retaliate in the slightest.
And during this brief moment, when the alchemy cultivators of Bai Zhi Mountain saw their "Mountain Lord Gong" perish like this, they couldn't help but feel as if they were in a dream.