Like with the markus his ability just states it gives a boost for hp and staggers enemies, but it dont say how much hp you gain and how long it lasts or the stagger. Its hard to plan and be aware of when you need to be strategic or not when using this and when you loose this buff. also elves obviously get extra crit for using dual wield daggers. is this stated somewhere? why not? its a bit annoying to have such important mechanics. Sienna also gets crit for each overheat level, well how much? Its a bit essential information for many as to what stat they might want to stack etc.