I have a Multi Layered Arena Map that has stands, inside, and 2 underground layers as well <a href="https://marketplace.roll20.net/browse/set/3171/the-arena" rel="nofollow">https://marketplace.roll20.net/browse/set/3171/the-arena</a> Also Gabriel Pickard has some really cool arena's in his pack that I have used in some of my games, and I am in love with a few of these: <a href="https://marketplace.roll20.net/browse/set/1088/quick-encounters-arenas" rel="nofollow">https://marketplace.roll20.net/browse/set/1088/quick-encounters-arenas</a> Additionally Czepeku released a pretty neat looking Arena not too long ago - I haven't played on this one, but their maps are always stunning! <a href="https://marketplace.roll20.net/browse/set/4839/ancient-colosseum-dnd-battlemaps" rel="nofollow">https://marketplace.roll20.net/browse/set/4839/ancient-colosseum-dnd-battlemaps</a>