I didn't play the whole game but I remember some of the short stories in Lost Odyssey, which are memories of the main character, who is immortal, were really sad. https://www.youtube.com/playlist?list=PLIrzmchrj04aaB6BYtlnfk9vjXE-mCj4f

Kaim could never say to his daughter,

"You go first to heaven and wait for me: I'll be there before long."

Nor would he ever know the joy of reunion with his loved ones.

To live for a thousand years, meant bearing the pain of a thousand years of partings.