Magically Malicious is issue 26. It is issue number two of both Volume 5 and season ten. The title is season ten author, Pat Shand's favorite title for the volume.
Low level demons have never been a threat to the Charmed Ones... until now. When Fritz and Valen, a pair of demons that has been secretly observing the sisters, get their hands on a weapon capable of destroying souls, the Halliwells will face their most dangerous foes yet.