Dooms Arcane Fire

Your body is engulfed in green arcane fire, the most powerful kind. You can create a 5 ft radius orb around you and it works as a reaction that cancels all ranged attacks done to you if succeed. You can shoot small bursts of arcane energy that do 1d12+3 damage each. Roll d20+4 to hit. Arcane bomb does 4d10+2 damage radius 15 ft from center of bomb strike. Bomb has to recharge 200 ft. Fire strike in every direction roll 1d20+6 1d6 damage in every direction surrounding you 40ft radius