MKG Power.

Instead, fiery bolts of raw power erupted from Mecha-King Ghidorah’s jaws.  The rays struck Mechagodzilla’s armor in a brilliant shower of sparks.
Inside the secondary bridge, Tori Angelo and Tia Shimura activated the fire-control systems as a precautionary measure.
“That ray is even more powerful than Godzilla’s!” Tori cried as another bolt slammed into the robot, shaking them in their seats.