This is a tool-assisted speedrun. For more information, see http://tasvideos.org/4453M.html. TAS originally published on 2021-05-16.
In preparation for Ragnarok, the final battle between the gods, Odin has commanded Lenneth Valkyrie to descend to the lower world and gather the souls of fallen heroes to serve as soldiers in the approaching conflict. The player controls Lenneth, gathering soldiers and training them to be transferred to the battlefields of the gods.