You leave Kristen where she is and slowly walk away, limping. You
shout, "You can come with me if you'd like, but it'll be very
dangerous and perhaps fatal - there will be threats at every
turn." You walk into the old wooden building. It seems like you
have regained part of your memory; you walk to the center of the room
and dig with your hands. The sandy floor isn't solid... it gave way
after a few inches. You drop down into the chamber below. There is a
long hall in front of you. You look up at the hole you entered from
and see Kristen. "So, you decided to come!" She jumps down
next to you. There's not much to do now but start walking down the
hall, so...