Ashen Benediction

Range: Self (30-ft aura) Duration: Concentration, up to 10 minutes You exude a withering aura of holy fire corrupted into desecration. For the duration: Allied undead gain resistance to radiant damage and deal an extra 2d6 fire damage on all melee attacks. All enemies within 30 feet of you at the start of their turn must make a DC 19 Wisdom saving throw or take 4d10 radiant damage, halved on success. Celestials have disadvantage on this save. You shed dim crimson light in a 30-foot radius. Clerics and paladins within this radius cannot regain spell slots by any means.