Great Lizard Spirit

The Great Lizard Spirit is a magical creature that appears in "Acheron" and "Winx Forever".

Appearance
It has a certain resemblance to the dragons, but only this one has some scales like crocodiles (lizards). It has three heads, glowing green eyes, sharp teeth, and grey scales.

Season 6
In "Acheron", after the Winx made Cloud Tower back to normal. Acheron did not give up and decided to invoke the Great Lizard Spirit below Cloud Tower to attack the Winx. Bloom decided to go alone to Legendarium while the others were still fighting the beast.

In "Winx Forever", the Winx tried to defeat the Great Lizard Spirit but it was too hard, with the help of Selina, she reverse the spell of the beast, also returning the powers of magic schools.

Magical Abilities
It can shoot out blue colored electricity like the Electropus.

Trivia

 * Acheron says it is a lizard when in fact, it is a dragon.
 * It is the only creature to have a near 3D appearance in the 2D world.