Effect: Inflicts critical damage on hardened enemies. Effective area is widened. Type: Hardened Killer Lv 3+ * 10 x Mighty Carapace * Goring Ring * 4 x Metal Scale * 1 x Adamantine Ore * Gouging Ring * 9 x Shark Skin * 3 x Beast Hide Rasp * Piercing Ring * 7 x Hard Skin * 2 x Whetstone