It took me over a year of tinkering, re-building and re-designing to get a fully functional arena without sactificing the traps. Covering the arena itself was a challenge. Though, here I am, finally "quite pleased" with it.
Hope you enjoy!

Created with Essential Housing Tools.
Highlights for these, who don't do youtube:
Entrance:

Arena (main structure):




Corridor:

"Fire temple":



Throne/Altar:
For some of my creations:
ESO by Bayu
Houses: