For the actual deflecting!

code/modules/mob/living/carbon/human/human_defense.dm

@@ -54,7 +54,12 @@
 					else
 						visible_message("<span class='danger'>[src] deflects the projectile!</span>", "<span class='userdanger'>You deflect the projectile!</span>")
 					playsound(src, pick('sound/weapons/bulletflyby.ogg', 'sound/weapons/bulletflyby2.ogg', 'sound/weapons/bulletflyby3.ogg'), 75, 1)
-					return 0
+					if(!mind.martial_art.reroute_deflection)
+						return BULLET_ACT_BLOCK
+					else
+						P.firer = src
+						P.setAngle(rand(0, 360))//SHING
+						return BULLET_ACT_FORCE_PIERCE
 
 	if(!(P.original == src && P.firer == src)) //can't block or reflect when shooting yourself
 		if(P.is_reflectable)