Read The Regressed Son Of A Duke Is An Assassin manhwa in English where lethal warriors clash. Cyan Vert survives a deadly family conspiracy and returns to his childhood. The young protagonist uses elite stealth skills to change his dark destiny. Dangerous assassins and royal relatives threaten his life in a corrupt empire. To survive, he must claim power before his malicious brother strikes. This magical world system requires absolute strength and tactical domain control. Cyan Vert is building his own faction while eliminating powerful enemies.