Index: script/c0.lua
==================================================================
--- script/c0.lua
+++ script/c0.lua
@@ -9,11 +9,11 @@
   effect_1:SetType(EFFECT_TYPE_FIELD
     + EFFECT_TYPE_CONTINUOUS)
   effect_1:SetCode(EVENT_DAMAGE)
   function cache_1()
     cache_1 = Duel.GetLP(1)
-    if cache_1 >= 0 then
+    if cache_1 <= 0 then
       cache_1 = true
     else
       cache_1 = false
       end
     return cache_1