Martial Longevity, The Undying Will Eventually Be Invincible

Description

[No system + Invincible + Fast-paced + No Female Lead + Fantasy] After attaining longevity, Chen Guanlou gets a cushy prison guard job, idling daily. Over long years he witnesses rise and fall, wealth and ruin, royalty, and enslavement. Time flows, but longevity stays. Enduring masters and legends, Chen finally becomes an invincible being.