Deep Magic Volume 2 (p.235)
Varina's Virtuous Valediction
1-level Evocation
Casting Time: 1 reaction, which you take when a creature that isn't a Construct or Undead drops to 0 hit points within 60 feet of you
Range/Area: 60ft.
Components: Verbal, Somatic
Duration: Instant
Attack/Save: CON Save
Damage/Effect: Radiant
You cause the spirit of a dying creature to briefly appear in a flash of holy light. Each creature of your choice within 10 feet of the target must make a Constitution saving throw. On a failed save, a creature takes 2d6 radiant damage and is blinded until the end of its next turn. On a successful save, the creature takes half the damage and isn’t blinded.
At higher levels: When you cast this spell using a spell slot of 2nd level or higher, the damage increases by 1d6 for each slot level above 1st.
Available for: Bard, Cleric