Keeping a Low Profile in Another World with My Invincible Attribute System!

[System + keeping a low profile + invincible in the later stages + one heroine + raising an empress] Synopsis: Su Chen transmigrates to another world and gains an Attribute System. As long as he has merit, he can modify his own attributes or those of others. Talent, combat strength, even lifespan can all be increased or decreased. The System can be upgraded. He grows stronger in the early stages and becomes invincible later on. Jiang Muxue was the princess of the Shenwu Empire. A political marriage was her fate, but she and the protagonist fall in love, and he helps her break free from the shackles of destiny. With the empire in turmoil, should she flee into seclusion in the mountains with him? Or should she step forward and ascend the throne as a woman, becoming an unparalleled empress?