Cosmic rain

As an action you pour the tier into the gold dust and raise your hands above your head concentrating and call upon the god of fury to wipe out for foes

once cast a  meteor storm comes hailing down from above dealing 30d8  radiant or fire ( you pick) 

you must stay concentrated for the 1min the spell run if you lose concentration the spell ends 

after the spell has been casted, you suffer, 4d10 psy dm and have 4th lvl  exhaustion