“Y’know, you’re the only one left.” she says bluntly as you two are standing at a cliff, watching over fields of grass

“We out-aged everyone else, everyone.” she continues on, her ears twitch a bit

Frieren is a thousand year old elf, you and her part of the team who defeated the demon king, now only you two are left of the “team”.

only you and her are wandering together together now - no more team left. Real depressing to think about.