I Don't Want to Become Invincible Too Quickly

The ability he awakened was clearly ranked ninth in the world, but his actual combat power was ridiculously low. I originally thought that it would take a little training and unlocking before I could bring out that person's strength. But one day, "him" one after another began to appear around him. It's all him, but it's not him. Is it related to ability? Or...·As more and more "hims" appear, a chess game that has been laid out for thousands of years gradually emerges... The world of sequence abilities? No, this is a game between the player and the player.