Vlad
Auto-translated
The conditions are clear, and they don't favor either side:
sand; primary skills are "0 0 0 0"; secondary skills don't affect battles; hero specialization leans towards magic (for example);
of course, without any additional morale or luck.
I drew several groups - of 1, 10, 100, and 1000; turn priority - I tried alternating. That's the gist of it...