Deirdre lights another torch after sensing no more evil (BTW, just to make sure you know, when I say 'no evil', I mean none beyond the lingering background that permeates the entire place). Looking around, she sees that there is about 5 feet of space between the caved-in rocks and the door, and she is standing in that space. After a moment she can hear a faint tapping from the rocks.
Hoegar can't hear anything from beyond the door to the LEFT (left was where she felt evil, not right.. right is where the cave-in is), and nothing comes through the door in the few minutes as Jillian contacts Deirdre through a series of Sword-hilt taps.
(I'm assuming Deirdre will respond to the tapping and you'll begin digging through to her, so I'll continue with that.)
Jillian figures by the distance the sound travelled that It will take Jillian by herself half an hour to clear it if Hoegar watches her back. Hoegar by himself with Jillian watching would take about 25 minutes, and working together they can do it in 15. Deirdre doesn't have enough room on her side to pile the rocks, unless she wants to open the door to the next room and start piling rocks in there. That would reduce the time by about 5-10 minutes.
What do you do?