Crusader's Mantle

[ Aura du croisé ]
level 3 - evocation
Casting Time: 1 action
Range: Self
Components: V
Duration: Concentration, up to 1 minute

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

Friendly creatures in a 30-ft radius deal an extra 1d4 radiant damage when they hit with a weapon attack.
Paladin
Player´s Handbook
  1. DnD 5e Spells › Crusader's Mantle