Combat Is Forced to Be Turn-Based

Humans are no faster than their enemies and have developed the ability to soften time. Within the scope of this ability, all actions will become turn-based. And a person who breaks the rules changes the whole world. Fan fiction. Morning star works. If the battle in reality is turn-based, what kind of fighting method will there be? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.