MTL - Wizards: Begin Liver Experience with Knight Breathing - Chapter 15 Tier 3, Quasi-Knight Li Wei (seeking further reading)

Fifty years ago, Dragon City transmigrated to the Other World. Alone in the world, they lifted the banner of Earth’s civilization and fought against the terrifying forces of the Other World.

“She betrayed me. Lied to me. Left me for a richer man...I gave her everything—my time, my love, my dreams. And in return? She walked away like I was nothing.”Chen Yu thought he had it all figured out—a simple life, love, and a future with the girl of his dreams. But when Li Yuxin, one of the most popular girls in the university, chooses wealth over love and leaves him for the arrogant Young Master Kang, Chen Yu's world crumbles.But fate has other plans.Just as he's drowning in heartbreak, a mysterious voice echoes in his mind:“System has found the perfect host. Binding initiated.”Now, with a powerful system in his hands—one that grants him experience in any skill he desires—Chen Yu embarks on a journey of transformation.He doesn’t want revenge.He wants greatness.From rock bottom to the very top, Chen Yu will rise.And those who once looked down on him?They’ll wish they never did.He will have to rise to the top of the world before the EVENT comes.

Ajax was an orphan who survives a massacre along with his friends but unfortunately gets separated from them.

Fortunately, after a turn of events, he successfully gains a system which helps him increase his cultivation, but doesn't know what it is called.

But he knows one thing for sure, this system is very powerful and helpful in taking his revenge.

“Whoever you are, I am gonna find you”, Ajax mumbled himself with a disgruntled expression.

In a world where Summoning of an elemental spirit is done through a dream when they are 15 years old, Ajax with the help of a system and his summoned spirits sets out on a journey to seek revenge against the mastermind behind the massacre.