create a block out of your scene, focus on your big shapes, composition, and hiding/revealing the goal as the player moves through the passages
we want the scene to be as grand as possible, think guild wars, uncharted and emperors new groove
once you have your scene blocked in, do a paintover or call-out sheet to show what you are thinking for each section, either way bring lots of reference with you.
you are allowed a total of 1024 for the textures of the scene, so plan accordingly. here is how i rough in my texture sizes for reference:
