OK, here is my second attempt at a power moment. I want this to be inspiration to those who write medieval fantasy rather than about magic. A character doesn't have to be magic-based to compete in this contest.
Let me introduce you to Tazar.
Overall battle structure seems good, though I can't be sure. There are ambiguities that want close editing, and other close-editing improvements that I see.
Why not put it up as a short and invite full reviews?
One thing I'll point to that I don't do myself yet. Go to the Manchester example I linked above. Look at the paragraph beginning "It was England's greatest crisis ... ." Notice how Manchester alternates short, powerful clauses or sentences with less dramatic statements that explain the brief declaration.
Then look at those big last paragraphs for the phrase 'great hunks of bleeding meat'. That's what those short, pithy punches are.
Tension and release turn David Ballavia's House to House from a great battle account into a great story.
It's a higher level that we should aspire to.