Blinding Smite

The target hit by the strike takes an extra 3d8 Radiant damage from the attack, and the target has the Blinded condition until the spell ends. At the end of each of its turns, the Blinded target makes a Constitution saving throw, ending the spell on itself on a success.

Using a Higher-Level Spell Slot. The extra damage increases by 1d8 for each spell slot level above 3.

The next time you hit a creature with a melee weapon attack during this spell's duration, your weapon flares with bright light, and the attack deals an extra 3d8 radiant damage to the target. Additionally, the target must succeed on a Constitution saving throw or be blinded until the spell ends.

A creature blinded by this spell makes another Constitution saving throw at the end of each of its turns. On a successful save, it is no longer blinded.