So between this and last chapter mc used some attack which simply wasn't shown, just that out of nowhere his opponent was damaged and mentioned some attack. Great
After hitting the bottom of the barrel, author's still digging to see if he can go any deeper.
"How many trump cards", good question, I'm even the author has no idea by now.
Neither do I, we've never seen him learn so many "trump cards".
We got it like 5 chapters ago geez! He wins everything. No need to make this garbage. On with his cultivation and plot that was at least somewhat moderately decent half the manga.