The translation is so fucking bad omg "my demon was born" lmao
輝く氷原の神々よ
kagayaku hyougen no kamigami yo
O radiant gods of the frozen plains,
とくと御照覧あれ
tokuto goshouran are
behold this well with your own eyes!
我が魂は氷河より生まれし
waga tamashii wa hyouga yori umareshi
My soul was born from...
Quite a merciful ending if you ask me. I wouldn't have wanted to see which one of them dies first. I imagine Yuu would jump to her death later that day, and Chi would have probably slowly starved to death.