Monsters Empowered with Wild Wisps have Damage Reduction, additional Projectiles, more Area of Effect and more Item Rarity, based on the amount of Wild Wisps you had when they were Empowered

Monsters Empowered with Vivid Wisps have Damage Reduction, increased Speed, and more Item Quantity, based on the amount of Vivid Wisps you had when they were Empowered

Monsters Empowered with Primal Wisps have Damage Reduction, more Critical Strike Chance, additional Critical Strike Multiplier and a chance to drop additional Currency Items, based on the amount of Primal Wisps you had when they were Empowered