- Not to be confused with the similarly named tome.
Accelerates Special trigger (cooldown count-1). Effective against armored foes. At start of combat, if unit's HP ≥ 25%, grants Atk+6 to unit during combat, inflicts Atk-6 on foe during combat, unit makes a guaranteed follow-up attack, and also, if unit is not adjacent to an ally, neutralizes foe's bonuses (from skills like Fortify, Rally, etc.) during combat.
In Norse Mythology, Mjölnir is the name of the hammer Thor wields.