As her successor.
The condition was that any Demiurge people who were willing to submit to the Golden Rule could return to live above ground.
"As for Marika's origins, the game provides overly vague and obscure details. We might have to see if top players will release DLC to complete the storyline," Yuan speculated.
"But we can deduce some information through certain small details."
"In the game, players encounter two somewhat similar small statues."
"One is called a Mark Gathering Place, and the other is called a Marika Wedge Stone."
"These two statues serve different purposes in the game; one can summon companions, while the other serves as a temporary Blessing Spot, where you can resurrect immediately after death."
"But if you look closely at the shape of the statues, you'll discover that both are carved in the image of Marika."