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In his sleep. He would sleep dream of his last and geumryang would stop him at a point in his dream, so he wouldn't pass away(that was the cause of his energy depletion). Last time, grandpa stopped geumryang and told him thank you for doing this and giving me more time, but its okay. And then he walked towards something and passed.
I don’t understand how the grandpa passed away. They were on a walk in the mountains and then suddenly they’re at the funeral? Was their walk together metaphorical or smth… can someone explain it to me