Time and space portals + invincibility + power fantasy + behind the scenes + no regrets + conquest.
I woke up one day and found I had become Imu.
The holder of the world's highest authority, yet also the gravedigger of a decaying empire.
The World Government has rotted away and needs sweeping reforms.
The Celestial Dragons are rotten to the core and need to be imprisoned.
The world is in chaos and needs to be unified.
The myriad worlds offer endless temptations, and pirates invade them.