"It's okay if you don't transform."
"I can feel an even sharper killing intent than when you transformed"
There are also some other awkward sentences that could be easily fixed. Seriously, these chapters need some QC, just comparing it with the anime lines would do wonders.
Translators, on Page 12, is it possible that instead of the spirit dissipating, it's the high-density magic their body is made of, ether, that evaporates?