Swordsmeister of Rome - Chapter 123: Great Warrior

A black pearl brought Jiang Feng from a doomsday stage where top masters with one emperor, two emperors, three emperors, four deities, and seven peerless cities show off their glory to parallel time and space, and this time and space-the end of the world has not yet opened! !! Under the sky, the youth look up, if I have strength, can I get through … these two time and space! !!

- Description from 69shu

struggle for dominance, where power rules above all.But you are no chosen hero. As the third son of a Viscount, you hold no influence—just another noble without purpose. Your knowledge of technology and strategy? Worthless here.Then, everything changes.The cards from your favorite strategy game—the very ones you built and mastered—are now real. No longer digital symbols, but an army you can summon at will. In this ruthless world, where the weak are crushed and the strong dictate fate, this power is your key to survival.You refuse to be a victim. Armed with an army beyond imagination, you will carve your own destiny. Not just to survive—but to conquer.“Soldiers, attack!”..........Note: If you have any questions or comments, feel free to share them!

After breaking up with his girlfriend, he accidentally acquired a genius system and rose from there against the heavens, becoming invincible..

- Description from Novelupdates

King Grey has unrivaled strength, wealth, and prestige in a world governed by martial ability. However, solitude lingers closely behind those with great power. Beneath the glamorous exterior of a powerful king lurks the shell of man, devoid of purpose and will. 

Reincarnated into a new world filled with magic and monsters, the king has a second chance to relive his life. Correcting the mistakes of his past will not be his only challenge, however. Underneath the peace and prosperity of the new world is an undercurrent threatening to destroy everything he has worked for, questioning his role and reason for being born again.