Illustration: Hardened kryptonite necklace needs jewelry processing (365) Usage: Teach you how to make hardened kryptonite necklace. Hardened Krypton Neck Binding +42 Endurance Yellow Slot Insertion Bonus: +4 Attack Strength Requires 70 Jewelry Processing (350) Equipment: Increase Attack Speed by 29 points. Equipment: attack strength increased by 58 points. Equipment: Your attack ignores the target's armor value 150. Need: Harden the void (9) of krypton source (6)