Here's an example from another tournament: I attacked a squad of angels, which, as it turned out, consisted of angels and archangels.
So, the archangel's morale failed 27 times in a row on the first turn))). When the army was changed and an attack was launched on a different day, within the first 10 attempts, the archangels didn't get a second turn even once!

I think morale is determined not only by the turns in battle but also before the battle begins, depending on the army composition and the arrangement of units.