Am I tripping or is CH45 only half a chapter?

You're not tripping, I had to hunt down the rest of the missing chapter.

Did you have to go to the scanlators' site? It doesn't seem to be full anywhere else

I read it on:

kunmanga(dot)com(slash)manga(slash)i-became-the-master-of-the-devil(slash)chapter-45(slash)