There is no "insta kill traps as of rn"
There won't be many ender chests within the actual maze.
Yes pvp reward items may be used.
I think I know what it is Doluxor as i do have noticed a slight problem, im currently working on the solution to it. Either way pm me on the forums and let me see if you have the same concern that I am working to fix. (im 90% sure we have the same concern)