"V is for Victory" is twenty-second episode of the second season and the forty-eighth episode overall of W.I.T.C.H. It first aired November 18, 2006.
Will makes a deal with Prince Phobos, since only the heir to the Meridian throne can claim its Heart, which is within the Seal of Nerissa. In exchange for freedom, he is obliged to return the Heart.
Phobos swears an oath on the power of Kandrakar that he will not use the power of the seal for himself. Irma discovers a way to free the Cassidy, Halinor, Kadma, and Yan Lin's altermere form Nerissa's control. In turn, Nerissa absorbs the old Guardians into her seal, gaining total elemental control.
In the B-story, Will is having a rampage against Mandy at the swimming competition.