Tempo: 4

Pick a Character adjacent to you, while you are adjacent to them Strikes against that Character have Disadvantage to hit and they may use your Deflection instead of theirs.

Additionally you gain the Intercept reaction until the end of the round:

Intercept

Intercept
Tempo:4
Pre-Requisites:You are adjacent to the Character you Guarded this Round.
Trigger:When the Character you are Guarding is Hit by a Strike.
Action:Take the damage from the Strike instead of the Character you are Guarding.
Tags: Reaction