The Villain's Counterattack Begins with Douluo

Yu Tianchen once traveled through time and became the young master of the Blue Lightning Tyrant Dragon Sect. However, before he reached his peak, he was dragged down to death by his father who was partial to Yu Xiaogang. Fortunately, as a time traveler, he was favored by the system and was reborn again. He also had a villain counterattack system that could travel through all realms. This time he lived only for himself. The leader of the Blue Electric Tyrannosaurus Sect? My goal is to unify Douluo!