“Two Seasons: Winter-Spring 2016” Tournament. Online games for rating (reports, discussions).

I placed units with a power of 1 in the left stacks, but the towers showed that they were inadequate and just ignored the ogres, shooting at them.

You need to arrange the units in the right stacks according to the feng shui...

I just accidentally clicked on the touchpad with my laptop during the angel's turn and ended up defending...

This is a common issue. It's best to disable the touchpad when playing Heroes. Once, in a final battle with Mizrael, I accidentally skipped a stack of devils, and another time, they ended up standing right in the path of 200+ gnolls.