Word of Radiance

[ Mot de radiance ]
level 0 - evocation
Casting Time: 1 action
Range: 5 feet
Components: V, M (a holy symbol)
Duration: Instantaneous

Description not available (not OGL).
But here is a summary:

Creatures in a 5-ft radius must succeed on a Con. save or take 1d6 radiant damage (/lvl).
Cleric
Xanathar´s Guide to Everything
  1. DnD 5e Spells › Word of Radiance