Centuries before the Era of Hardships.
Frieren unexpectedly obtained the "Fully Immersive Game Magic," allowing her to visit different Souls-like worlds.
While researching magic, she discovered some special abilities could be brought into reality. Thus began her journey of completionism, until one day a brand new game appeared: a land shone upon by the Erdtree.
"Even if guidance is shattered, please, become the Elden Lord."