Summer Thunder

Summer Thunder is a Believix spell used by Flora, in which she makes her vines stronger, or grows long and thick vines.

Times When Used

 * Season 4 Episode 13 - Used in Attack of the Wizards to trap Anagan.
 * Season 4 Episode11 - Used in Winx Club Forever to shoot the bank robber.
 * Season 4 Episode 7 - Used in Winx Believix to attack Anagan.
 * Season 5 Episode 3 - Used to tie the Mon-Triton.