Draconic surge

You enter The barbarian rage and can cast spells wail in this rage. Once you enter the rage, you deal 2d12 acid damage to all creatures within 10 feet of you excluding yourself, you also sprout draconic wings and gain a fly speed of 30, on top of that you deal an extra 1d6 acid damage every time you make a damage roll. Furthermore, your breath weapon increases by 10 feet making it a 15 x 40 line,, but when you are under the effects of the spell your AC is dropped by five, once the spell ends you must make a DC15 con save or fall unconscious for 10 minutes. The spell ends if your HP goes above the threshold.