Infinite Replication of the Eye of Double Pupils

You can breathe fire, I can copy you; you can control water, I can copy you; you can become invisible, I can copy you too. In the future, humanity's various abilities are constantly being developed. The protagonist, with his double pupils, copies and copies again in this future world, becoming omnipotent and invincible.

The protagonist and his companions embark on a wondrous, thrilling, and exciting interstellar journey.