Sorry didn't change Atilus yet, I'm using my bro's computer and it feels wierd pixeling on another computer.
Just did a really quick sketch of how the far background should look like. Obvious wip.
Also I desperately need help with the HUD, I need it to look more interesting but I have no idea how.

A mushroom, probably should have mentioned that d:
I know the insides of the roof should be darker but I don't know how to make it look mushroomy.

Dirty photoshop edit:
\Just to show that I think I get what you guys mean. I changed the back-most columns to be smaller and less detailed to show that they're further back. I forgot to shrink the blocks above them, but know that they should be d:
I left the brightest columns as is because Atilus goes behind them, not in front though they should probably be a little more desaturated. Also made the floor lighter to contrast with the ruined wall probably a little to light.
Still need to fix Atilus' colors though.
Thanks for the C+C I really appreciate it c:

Minimockup, won't be able to finish this until Tuesday most likely. The blue structure doesn't belong in this area so don't worry about the clashing colors.

mmk.
I want this to be perfect though so need more halp
And I'm fine with editing too, the best way to show what you mean imo.