In Season 4, William usually levitates before jumping into the Digital Sea or when he activates a tower for X.A.N.A.. In Season 3, he only levitated once under X.A.N.A.'s control to destroy the Core of Lyoko. William doesn't use his levitating power when he is in a fight with the Lyoko Warriors, and the reason is unknown.
In the silver-white suit, it requires his Zweihänder, and gives off a purple aura similar to William's Super Sprint. In the black suit, his sword helps aid in levitation, but it is not required. When he uses this power without his sword, he has a black aura similar to his Super Smoke.
Times When Used