The Song of the End 9 (Soleater's Side)

Soleater ran across the ruins, rushing to meet the cage that probably held Ouro and her never-ending malice and taste for sin. It felt her presence of darkness inside the golden barrier made by the sacrifice of many Valkyries, their bodies fused with runes and divine energy to form a protective bubble around the darkness.

Their bodies connected to a golden dome around the darkness, wings spread wide, hands held in a prayer position, their faces serene, and bodies as if made of gold, small formations, and patterns graved on their skins and all around the barrier: runes. 

In reality, rescuing the servant of its master was a side effect of its main objective: eat that divine energy infused with runes, and then call for a nearby root of Yggdrasil. 'It wouldn't be possible if they used another strategy.' Odin obtained knowledge about runes after a lengthy ritual.