Yeah i just tested it with a KFM and FM, when they use their "Pull" abilitys even if we get sucked to the edge of our sanctum we dont get the buff, the problem seems to be the fact that the "buff" isnt applied soon as you enter.. it seems to applied evry 2-2.5 sec so its not a constant, so we get sucked out.. aired or FM4 field we miss the reapply buff timer and lose the protection, yay for great design, old pre awakening sanctum was a constant buff so long as you were inside you had it, current system isnt. I mean this is literally WL only defense mechanic, we dont have any mobility or proper CC´s and evryone already has toolkits to get us out of it, atleast minimum make sure its working properly.
While sanctum is up we get a buff evry 2 seconds or so, you can test this, leave it after first 2 sec, wait 1 sec then reenter, you wont get a buff, you have to wait for the timer on the sanctum field to hit hte next buff applying ( aka it applies buff 5 times, at cast, 2 sec, 4 sec, 6sec, 8 sec and at 10 sec... Just try walking in and out of it, if your not "present" in the field at any of those intervals your ****.