Currently, when pets/people are feared in the arena, they run in seemingly random directions. However, they should be running towards the center of the arena platform, and effectively stopping at the very center, as if they were running into an invisible wall.
I remember instill doubting players in the arena and this is how the fear pathing was. But there is also objective evidence:
In the original ToT video, you can see a monk feared and running to the center of the arena at 1:55
https://www.youtube.com/watch?v=Fh881B72n-w
In the original ToT2 video, you can see an epic mage pet feared and also running towards and at the center of the arena at 0:26
https://www.youtube.com/watch?v=yFeQ2GM8xxg
In the original Rogue Best of the Best, Instill Doubt was disallowed because someone running into the center of the arena would essentially mean a death sentence due to backstabs:
https://www.project1999.com/forums/s...0&postcount=26