That mechanic was also inconsistent for me as well...


Had to do it several times and couldn't figure out why it wasn't working.
I'd be standing next to the pillar and get one shot.
I'd even have time to walk behind the pillar and still get one shot.

And I was playing on my samurai, which is in i380 with a few i390 pieces and vitality on the accessories.


I also did not see any aoe indicator for the full arena one.