Certain abilities function through Sacrifice: Guard, Shield Reflect, Defending Aura, and autocast skills that trigger when taking damage. Guard works as if the sacrificed target had the skill active, also inducing physical attack delay when activated. Shield Reflect only works on melee skills when applied through Sacrifice. This includes Guillotine Fist, as well as Arrow Shower cast by a monster. Defending Aura currently will slow all sacrificed targets when activated, but only apply a reduced damage reduction compared to the 80% reduction on the caster.