Ring of Core

When equipped, increases Max MP by 21, Critical Damage by 15%, Magic Critical Damage by 10%, damage during PvE by 5%, power of hold attacks by 20%, resistance to hold attacks by 20%, power of bleed attacks by 20% and resistance to bleed attacks by 20%. Weakens the character, increasing any damage received by 5%. If you equip two identical rings, only one effect will be applied.