@Riot Art Team: Process?

I'm an aspiring artist, and I'm wondering a few things, which I would REALLY appreciate answers for in any sort of amount.

1. What software do you use primarily for your splash arts?
2. How do you create these super high detail splash arts?
3. What's the typical amount of layers used, and are there any sort of specific categories for the layers?
4. How do you animate splash arts?
5. Will champion art spotlights return?