0) PCs enter the cave and pass through some forced open stone portals
1) A blue light is sen at the end of a tunnel
2) Trapped floor pitches them into a water trap
3) The group exits the water hazard, monk is bitten by a fish
4) encountering the stone valve
5) the valve is forced open
6) Horiuchi, Kitsuki, 2 retainers enter south corridor
7) Ambush by bat tattooed ronin kills one samurai
8) Bat tattoo casually knocks down Horiuchi, other retainer
9) Bat tattoo glances at Kistuki-ko and withdraws into the dark cave
10) rest of group enters valve and joins them