Toaru Majutsu no Index: New Testament - Volume 9, Chapter 5: Further than the Farthest Reaches. Point_Unknown.

In a post-apocalyptic world where humanity survives in fortified cities, only a lucky few awaken Talents, supernatural powers that allow them to level up.Isaac believed he was destined for an ordinary life—until he awakened the Bonded Blessings System.This system granted him a unique ability: he could share the talents, abilities, and progress of his wives.[Your wife, Sword Empress, has reached Overlord rank. Sharing progress…][You have leveled up 10 times and reached Overlord rank!][Your wife, Ghost Queen, has unlocked the full potential of her Nether Eyes. Sharing progress…][You have awakened Supreme Demonic Nether Eyes!][Your wife, Dragon Saintess, has purified an Ancient Dragon Heart and absorbed it. Sharing progress…][You have awakened the Ancient Dragon God's Bloodline!]Killing monsters? Grinding for levels? Why bother when his wives could do it for him?As long as they grew stronger, so did he!

A dancer who was killed by a serial murderer found himself occupying the body and taking on the life of Brian Morse, a patient with anti-social personality disorder. As Brian, he has the look, he has the brain, he has the charisma, but he also has something that somehow always attracts psychopaths…[The story mentions 3 reality shows and crossovers with the American drama series Dexter. SLASH]

- Description from Novelupdates

One of the few self-cultivator who exist in this modern world; due to an unfortunate event, completely destroyed his body in an explosion. Using all his effort to save his primordial spirit, he ended up in an strange magical world and had to start all over again. From a fallen aristocrat to the Warlord of Chaos, this can no longer be summarise as legendary; this is the life of the God of War.

Born with a seed of immortality, he rose from the Han tribe at the end of the century, and embarked on the road of immortality, step by step, until he reached the other side of immortality.

Efforts will pay off. For cultivators, what better golden finger is there?

- Description from novelbuddy