'Hyper Rainbow Dash'

'Hyper Rainbow Dash' is a transformation of 'Rainbow Dash', it is a more powerful version of 'Super Rainbow Dash'. This transformation can be triggered by at least obtaining more power while in super form.

Appearance
So far, Equestria Girls 3: The Big Adventure and Equestrial Universe Comic 4 are 'Hyper Rainbow Dash' 's only appearances. In the two, 'Hyper Rainbow Dash' 's skin flashes different colors. However, the human version's eyes flash red, blue, and green and instead of her skin flashing, her clothes are multicolored.

Equestrial Universe Comic 4
'Hyper Rainbow Dash' achieved the transformation by using the Elements of Harmony while battling Mightmare Moon and uses the Elements of Harmony also to defeat Mightmare Moon with six powerful blasts. 'Hyper Rainbow Dash' defeats Nightmare Moon within 45 seconds. The others are surprised where Rainbow Dash is just jealous, but it doesn't take her long to get over it since she wiped her memory.

Equestria Girls 3: The Big Adventure
She is set to appear in this movie.