About 20 Wood Elves broke off from the main group. There is a 50% chance while passing through this square of meeting a Banshee, increased to 80% if they go into the village (and increased by 15% at night).
There is a 1 in 8 chance that a residence entered will be the lair of 2 Banshees: each has a 90% chance of being there. (AC0, MV15, HD7, hp37,32, at1, D1-8, SA:see MM). Hidden in a secret room is the treasure. When the secret door is opened a gas will come out. It is poisonous, but save at +4 due to age. Inside is 2 huge chests (stone) with 1,000gp each; a smaller chest with: 2 large, pale brown tourmalines (500gp), a 1,000gp Black Sapphire, a Dagger+1, +2 vs. smaller than man-sized, a Potion of Sweet Water (3 hits) and a map (false), Map A.