The level might be horrible on legendary but if you look around and stuff it might be the most beautiful and disgusting level bungie has done with Halo and i don't think 343 will top it in level design and art direction now don't call me a hater but just boot up halo 3 and the level cortana and just look around you can see so much going on.
Small note
no i don't hate 343 i just think they should take more time on the art side off it all.
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The only graphical brilliance 343 can come up with is large silver columns of metal