Amaterasu

"your left eye swirls until it is completely darkened for the rage towards you foe, all you want is to see them all burn." 

Amaterasu produces infernal black flames at a point of the user's vision in an area of their choosing granting the target heavenly illumination 

Amaterasu:-

Every creature within a 5 foot radius of this spell must make a dexterity saving throw (DC15). Targets take 20+5d6 infernal fire damage or half as much on a successful throw. As a result of using this spell being used the caster takes 2d4 psychic damage after casting this spell and is exhausted. Can only be used once per long rest 

Amaterasu control:-

(6th Level spell upgrades at level 11)) Every creature within a 10 foot radius of this spell must make a dexterity saving throw (DC20) Targets take 30+5D8 infernal fire damage or half as much on a successful throw. As a result of this spell being used the caster is now exhausted. Can only be used once per long rest.

 Amaterasu Complete:-

(9th level spell automatically upgrades at level 17), Amaterasu has not draw backs and can be fully unleashed. every creature within a 25 foot radius of this spell must make a Dexterity saving throw (DC25). A target takes 50+5D10 infernal fire damage or half as much on a successful throw. Can only be used once per short rest.