It doesn't make sense. "Nullify all positive status effects on a single foe, then unleash a sword attack" means When I use this ability, it will nullify all positive status effects on a single foe, meaning that any beneficial effects the enemy has, such as increased attack or defense, will be removed. After nullifying the status effects, the ability will then unleash a sword attack on the enemy. 🤔Also, "Preventive Measues" from one of the four Apothecary's Support Skills described "Grants the equipping character immunity to enfeebling effects for 3 turns at the start of battle"; in fact, it doesn't look like "3 turns" but it is actually "3 times" instead.
