W.I.T.C.H.: The Graphic Novel, Part II. Nerissa's Revenge Vol. 1
In the aftermath of their first adventure, Will, Irma, Taranee, Cornelia, and Hay Lin have unleashed a dormant evil... Corrupted by a power greater than herself, the ex-Guardian Nerissa re-emerges to threaten Kandrakar, and only the girls of W.I.T.C.H. can stand in her way!