This weapon is seen in the movie Dragon Ball: Sleeping Princess in Devil's Castle, and is kept in Lucifer's Devil's Castle. The cannon was created to make an energy wave powerful enough to blow up the sun, due to the fact that it is a major disturbance to Lucifer and his friends.
-Credit to the Dragon Ball Wiki
Powers and Stats
Name: Devil Castle Cannon, Princess-Powered Laser Cannon, 魔神城の光線砲 (Majin-jō no Kōsen-hō)
Origin: Dragon Ball
Classification: Laser Cannon that uses the power of the sleeping princess.
Attack Potency: Star level
Weaknesses: It needs the power of the sleeping princess.
Feats: It was stated that it can destroy the Sun.