This is their ultimate for the future kids who has no powers there will be earn it from being bravery positive facing fears or anything of the source

Nightmare ultimate: hair spikes with stars tips on bang

Flames ultimate form: monk on the back of his hair and grow it long

Princess of time(or princess time for short: ultimate form) hair grow out into a long briad with a bow

Water bubble ultimate form:

Snowstorm ultimateform: learn a new spell

Whirl ultimate form:

Earth ultimate form:blue and green hair

Sunny ultimate form:

Storm ultimate form: use a new power that controls the storms around him

Gear ultimate form:

Lighting volts ultimate form: using lightning bolts for his weapons

Flower bloom: hair changing into a red rose color with a pink rose accessory

Fox boy: different color hair change into black with purple tips

( remind me next time I could tell you how they earned their ultimate what do you guys think)

https://www.youtube.com/watch?v=XxeCMEWMlus