In Quest Mode, the demon's fireball causes slight knockback.
Demons only gain the ranged attack at the upper levels of Demon. They're typically encountered as the advanced grunt in the Mountain Kingdom, and are found in the Lost Cave and Volcanic Cavern. They are also a major resident of the Underworld.
They've not changed from Legends.
last of the six traitorous advisors to the Emperor, took on the form of a large fiery demon. He could not be directly fought but he can be killed with the use of enormous ballistae around the level.