I love a good Duel entry at Golden Demons - its probably my favourite category. I love it even more when people think outside the box... and I don't mean cramming the largest rock possible on top of the 50mm base and slapping a huge monster on there.
Here is an example of something which really floats my boat - a TINY duel by Morbäck:
Everything you need in a tight little diorama - action, movement, direct interaction and great composition all on a base the size of a Euro coin. The painting speaks for itself!