Blank Bonus includes the icon for the Bonus action but doesn't trigger Cassowary's ability that enrages on Bonus. It also doesn't trigger on multitask but that seems appropriate.
#Cassowary's Rival doesn't Trigger on Blank Bonus
pliant egret
btw not sure whether to file this as a bug but the two "defeated enemies" icons in the middle seem to be missing when right before the final boss
