Takuma and the Valkyries charge toward the deepest level of Niflheim in order to save Yggdrasil, but the way there is teeming with tough enemies and they'll need to stop and..."recharge"...to get through. Meanwhile in Midgard, the wicked god Loki's twisted wish threatens Futaba, and in Asgard, Ragnarok is in full swing!! Will the true villain finally be revealed...?