If you really want to push it you're going to have to break it down into passes and comp it back together.
You can now get nuke studio free for non commercial use it's the best compositing app in the business IMO and the new render pass system is good much better than the old one. Look up light path expressions. Also start using the mila material! it good
Check this out
https://simplymaya.com/autodesk-maya-...-5/?tut_id=375
Goes through the new pass system in 2016 and recomp in nuke for stills and animations. If you don't fancy working through that at least check out the new pass system and the mila material it will save you a ton of time later on down the road
All the best
David
From a readers' Q and A column in TV GUIDE: "If we get involved in a nuclear war, would the electromagnetic pulses from exploding bombs damage my videotapes?"