Blinding Charge

You conjure a glowing red ethereal outline of a bull. The target must make a dc14 dexterity saving throw or take 12d6 bludgeoning damage on a failed save. the spell misses if they succeed. After using this spell, your rage for the target is so powerful, it pushes your body past it limits and something breaks. Ater you using this spell, you are blinded for 3 rounds.

at 9th level, the damage raises to 14d6, and at 15th level the damage raises to 16d6