|"That's not what happened at all!"
This topic is considered non-canon because it is from a non-canon installment.
The Mask of Malice is a living mask that was once trapped in the Tower of Tears by Master Wu. It was eventually released by Lord Garmadon. Howewer, rather than battling Wu the Mask caused him to question how he had ended up on his crusade, and provided a vital clue as to who had freed all of his old enemies.
- Stone Cold (non-canon)