Power Drain

Power Drain is one of 's s in Xenoblade Chronicles. It increases her while reducing that of all enemies within range, and the boost she gets is stronger the more enemies it hits.

Overview
Power Drain is a good thing to have active as much as possible if Fiora is being a physical attacker more than an ether attacker, or if the enemies being fought have good physical attacks. In the former case it's more important to get as many foes in the suck range as possible to get the biggest boost, though this could cause an problem.