As he chants, the bracelets around his wrists (the Geumganggo ) begin to crack and dissolve. With each syllable, he is breaking the chain that forced him to love her. He is willingly choosing to remove the one thing that brought them together.

Warning: Contains spoilers for A Korean Odyssey (Hwayugi).

In a slow, tear-drenched whisper, he begins chanting: "Mongol... Heleer... Hot..."

As Seon-mi lies bleeding in a snowy landscape, Son Oh Gong holds her. She whispers her final wish: "Don't let the world end because of me." Realizing he cannot save her life, Oh Gong decides to grant her wish by protecting humanity. But he cannot watch her die alone. So, he makes a devastating choice.