Mirby looked at her blade, at the spirit of Greg, and dashed up to Orlox. With a mighty leap she shoved the blade, now radiant with holy energies and powered up to the max, directly into Orlox's skull, piercing it and sending shocks of white light throughout his body. Cracks appeared in his skin as light boiled and burst out in streams of pure luminescence. And then, a bright explosion of holy power. When the light faded and the smoke cleared, there was naught but a large black burnmark on the floor where he once stood.
[Odd that you chose Greg as his name, when that is the name I chose for Mirby's father.]