The Turnaroth Fend-off

You attempt to protect a nearby ally from harm as the great Bellian Turnaroth and her companion Sir Fendsoff once did. When a creature that you can see within 30 feet of you takes damage from an attack or spell, you can use your reaction to reach out with the spell and cause your arcane shield to reduce that damage to zero.

If the triggering damage is from a melee or ranged attack, the damage is reduced to 0.

If the triggering damage is from a spell of 3rd level or lower, the damage is reduced to 0. If it is from a spell of 4th level or higher, make an ability check using your spellcasting ability. The DC equals 10 + the spell’s level. On a success, the Fend-off maneuver succeeds and reduces the damage to zero.