The Indescribable Throne

By chance, I unexpectedly gained the power to communicate between the past, present and future. From then on, a high school student embarked on his own journey. The ancient humans wanted to regain control of the world, but I suppressed them forcefully; The new humans want to reverse the future, and I will fight to the end; The ancient humans and the new humans are at war with each other, which is the ultimate collision between the methods of cultivating immortals and future technology. I was lucky enough to witness this duel during my high school and college years, and it became the key to this battle... And I will eventually stand on that throne...