Winx Club RAI English Season 4 Episode 13 The Wizards' Attack Episode Title:The Wizards' Attack.Episode Description:Now finally having achieved her regular Winx/fairy form, Roxy is put to the ultimate test when the Wizards of the Black Circle threaten to destroy all of Gardenia and its citizens if she does not surrender the White Circle. However, a mysterious adult fairy appears to her in a vision and tells not to give up. Encouraged by this, Roxy attacks Ogeron with a beam of magic energy, but he overpowers her easily and states that she has just condemned all of Gardenia to its annihilation. In the chaos, Bloom calms down the humans with her strong Believix spell Strength of Life and manages to defeat the Wizards in one strike of powerful Dragon Fire energy.