Thread:TsuchiNoKao/@comment-26544499-20200927173301/@comment-46261745-20201022140428

Looking at the counterattack formula again, I note that it does actually pass through the ボスダメージ補正 function with the attacker as target. So it should do the 1/2 health max damage after all.

Not sure why I thought it wasn't calculating it for counter.