Stalagma is the beast of power. His power is kept in check via the Power Shackle. Removing the Power Shackle releases his apocalypse form.
*Powers up Fire and Rock type moves by 1.5x
Stalagma © EventHorizontal
Pokemon © Nintendo
So is it a cool stereotypical Kailju like monster or is there a mythological influence?
This guy truly lives up to its name ... it's truly poWerful