Mjolnir

The Mjolnir, also spelled Mjollnir, is a recurring weapon in the Mana series.

Trials of Mana
The Mjolnir is a weapon for Charlotte's light classes that can be bought in Pedda.

Children of Mana
The Mjollnir is a weapon only equippable by Wanderer.

Etymology
Mjolnir originates from Norse mythology, where it is believed to have been the hammer of the thunder god Thor and the source of his power over storms.