Oda should have at least read some Cthulu Mythos, Azatoth is one of the best models to take as a God like characters, hell take some Cristian Mythology.
At least distinguish the King of the World for centuries from your average villain.
This is lazy as fuck.
Tho granted One piece has been over 1000 chapters. Imu came a bit late, but he shouldn't have. He should have been around since pre time skip so Oda can at least portray him as unique.
Sweat to God, Mihawk's words feel like they fit his character, they have nuance and uniqueness to them like this
|If he can write Mihawk in unique enough way, he clearly has capability, Imu is literally king of the world, his words should be far more nuanced.
Now it makes me think Oda doesn't give much shits about Imu