Energy Projection was the ability to release and create blasts of powerful energy . Willow Rosenberg has shown a powerful deal of Energy Blasts at targets . Illyria also has released blasts of blue energy at her opponents . Powerful Magical Practitioners can use the Energy Blast Spell to release strong blasts of Energy . It has been shown for these Blasts to be colorful , such as when Willow and Amy Madison were performing a Lightshow , Willow had green energy , Amy had blue energy .