W.I.T.C.H.: The Graphic Novel, Part IV. Trial of the Oracle Vol. 2
The new Oracle's ambition is revealed, and he'll stop at nothing to possess Elyon's power! Don't think for an instant, though, that he's forgotten about the Guardians. Biding his time, he has every intention of eliminating them as soon as the opportunity presents itself. The girls may still have some allies, but can they hold it together long enough to recognize their true enemy...?