Search token in the Overlord Revealed

By Indalecio, in Descent: Journeys in the Dark

I noticed there is a search token placed in the corridor between one of the sealed door (which only Zachareth or a master monster may open by using the Shadow key) and the exit tile.

My question is simple: how do you loot that token if you can't pass the door? My understanding is that only monsters can go in this corridor. I know Thief classes allow for remote looting but that cannot be through a sealed door?

My question is simple: how do you loot that token if you can't pass the door? My understanding is that only monsters can go in this corridor. I know Thief classes allow for remote looting but that cannot be through a sealed door?

It's the OL's objective to move the shadow key through the doors and out the exit. So he/she has to open the doors obviously and you can just follow (as far as I remember the doors can't be closed again).

In our group the heroes were not able to loot a single token because they didn't have time enough, but they can definitively be reached after an elite monster or Zachareth cleared the way/opened the doors.