Unholy fireball

Cast a fireball of unholy flame at a within 60 feet explodes on contact in a 15 foot radius doing 3d6 fire damage and setting everything of fire anything of fire from this spell cannot heal until fire has been put out (fire automatically extinguished after 3 turns or a con dc save greater than the casters intelligence whichever comes first ) must make a dc saving throw of 16 or higher to successfully cast anything below will cause u to gain an instance of insanity causing u to roll a d10 if u roll at or under your accumulated instances of insanity the fireball randomly targets an ally insanity unstances reset to 0 once an ally is targeted will always cast as if it’s your highest level spell gaining 1d6 damage per spell slot above lvl 1 cast at will