Is the third Forgotten Minion slot worth it? : rNecroMerger

minion slotMinion Slots. Minion Slots refer to the number of minions you can have placed on your Private Island at the same time, and are shared between you and your Co-op. By default, this numberI just unlocked forgotten minions recently and so far they're really useful, it's a way to get a ton of extra runes every day.