So we ferry some of the undercity people back to the safe area via pixie. After, we go to a bar and learn where Muldoog's base is. After a couple of tries, sneaky guy manage to get magic eye into base to find layout.
So, we use undertunnels to go under his base, and the others use magic to drill into vault from underneath to try and steal item. Once we get in, vault protected by anti-magic field which hampers others. Also, vault guarded by big iron golem. During the fight, golem accidentally wrench container holding item free. So me grab it and get out of there.
Meanwhile, sneaky guy disable vault mechanism so Muldoog's men can't get in while we escape. Unfortunately, once we out of vault, it look like item had magic trap on it, and it blow up. Lucky, me strong, so me still standing. But golem still following us, trying to squeeze through hole…