Laevateinn's mana seed. Such seeds contain an Alchemia-like substance known as mana. Because of this, they are said to not only boost defensive ability against magic but to also provide increased resistance against a range of different elemental attacks.
Attributes
[Laevateinn/Battle Blade Princess-Only Equipment] MDEF +12, Fire Res +1, Water Res +1, Wind Res +1, Thunder Res +1