Your combined effort finally manages to open the lock.
The door opens into a wide room filled with preserved animals and creatures of every kind and form, some pretty old, some unsettling fresh looking. The northern end contains what looks like a taxidermy lab, mostly hidden by a thick curtain.
Once you enter you are greeted by a high pitched voice, seemingly coming from the southern end of the room.
"Ho there. Who might you be? Oh, and did that old witch already finish her contraption? She told be it would take at least a week before that heart was stable."
While the voice seems to come from the south, you are not that sure about that. It sounds somewhat off, might just as well be actually coming from the north. You at least would know some tricks that could do that.
"Ah sorry just wasn't sure where you were. Yes it's done, but there was some small thing on it she was worried about that she wanted to fix first, wanted you to have a look at it. Where are you?"
"Well she's still working on it, don't have it with me. We were just updating you and wanted you to come out and have a look" he looks at the others, kind of giving them a what now? look