So, do you ever play Nemo Slap?
If you play it as much as I do, you may have had people flying through the two holes in the arena using a mount, and then they try to make it as hard as possible for the people playing Nemo Slap to have an good time.
The Fix:
It isn’t too hard. Just put barrier blocks there.
Look at a random Deathrun map once you finish and there are a bunch of barrier blocks sealing off the Death area and making the entire map a tube.
I don’t have photo evidence but will add it if I can find an occurrence of this.
