Index: scripts/globals/utils.lua
===================================================================
--- scripts/globals/utils.lua	(revision 3801)
+++ scripts/globals/utils.lua	(working copy)
@@ -126,6 +126,8 @@
 
 function utils.magicDmgTaken(target, magicDmg)
 
+	local ring1 = target:getEquipID(SLOT_RING1);
+	local ring2 = target:getEquipID(SLOT_RING2);
     -- MDT is stored in amount/256
     local resist = ((256 + target:getMod(MOD_UDMGMAGIC))/256);
 
@@ -136,6 +138,20 @@
     if(resist < 0.5) then
         resist = 0.5;
     end
+	
+	if(target:getObjType() == TYPE_PC) then
+		if(((ring1 == 14646) or (ring2 == 14646)) -- Shadow Ring
+		and (math.random(100) <= 13)) then
+			magicDmg = 0;
+		end
+	
+		if((((magicDmg * resist) / target:getMaxHP()) * 100) > 50) then
+			if(((ring1 == 11647) or (ring2 == 11647)) -- Archon Ring
+			and (math.random(100) <= 5)) then
+				magicDmg = 0;
+			end
+		end
+	end
 
     return magicDmg * resist;
 end;