Wow, very nice find! I'm able to reproduce it without much trouble, so the write-up should be easier. It is a tad embarrassing that I missed this one, but that's why we have a bugs reporting section. ;-)
-Cheers
Haha xP no problem!
Even tried to get into the arena without activating the elevator via this bug. alas to no avail, so goodjob on patching the No AI glitch
