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Alex Bart died trying to avenge his sister who has been kidnapped and killed by the strongest evolvers in the world, the ten emperors because of her healing abilities. but when he thought all was over, he suddenly woke up three years into the past just a few days to the apocalypse with his memories intact and a unique system that allows him to grow stronger by completing missions. Taking advantage of this new opportunity, he swore to protect his sister this time around and take revenge on all those who have trampled on him before. But what is the origin of the system, who granted it to Alex and for what purpose, Alex will eventually find out eventually, for now he has to level up and exact his revenge!