Immortal for Billions of Years, and I’ve Only Been Alive a Few Decades

From Ancient Times to the Modern Day

Stories about someone who has lived for thousands of years.

Seals Himself in a Stone Statue, Then Is Discovered in the Modern Era

A modern person knows about myths and the primordial world. Spiritual qi revival. The protagonist was originally an immortal, then transmigrated to the primordial world and sealed their own power for some reason. Are there any stories like that?

Any Novels Involving Yin-Yang and Immortality?

Also help me find this one: after the protagonist's divine body is crippled, he faints on his way down the mountain. A man riding an ox, who is the Longevity Emperor, uses the protagonist's yin-yang jade pendant on him, then gives him his Longevity Cave Abode. There's a peach tree inside the cave.

Looking for a Relaxed Slice-of-Life Novel About a Modern-Era Immortal

Any Novels About Characters Who Have Lived for Thousands of Years and Maxed Out Every Stat?

Preferably a modern urban novel! Ideally without a System. Something engaging that doesn't drag would be great too!

Urban Stories Where the Protagonist Has Lived for Thousands or Tens of Thousands of Years

Urban novels where the protagonist has lived for thousands or even tens of thousands of years

An Immortal Protected by the State

Looking for Immortality Stories!!!

I've been getting into longevity novels since last year. Any good ones you can recommend? I'm in a reading slump!!!!!!