Rise From the Rubble

Rise From the Rubble synopsis: A decade after the night of the starfall, City S is laid to waste by the largest monster outbreak in recorded history. Zuo Fan, bearing the label of '[A traitor’s son]' and known as the most inept starfall warrior reserve who fled, experiences a life-altering event when he awakens the Super Warrior System amidst a treacherous trap masquerading as a raid. From that point on, he embarks on a meteoric journey to success, all while unraveling the mystery behind his father's alleged betrayal, despite facing staunch opposition. Gradually, he takes on the daunting task of saving the world. (Source: Mangamonster.net)