Angelic Guardian

1st-level conjuration (angelic)
Casting time: 1 action
Range: 30 feet
Target:
Components: V, S
Duration: Concentration, up to 1 minute
Classes:
Subclasses:

You conjure a minor celestial manifestation to protect a creature you can see within range. A faintly glowing figure resembling a human head and shoulders hovers within 5 feet of the target for the duration. The figure moves to interpose itself between the target and any incoming attacks, granting the target +2 to AC.

If the target fails a Dexterity saving throw while the spell is active, it can use its reaction to roll a new save. The spell then ends.