1 - When you first arrive in this tunnel from Sendai's Enclave 2, you will be attacked by a massive number of Sendai's dwarven slaves, under the command of the Slavemaster (who will teleport farther into the tunnel after barking orders to the slaves). Your main priority is to make it to area #2, where you'll actually confront the Slavemaster, but take try to take out as many of the slaves as you can on your way, as they will cause serious damage to your party simply because there are so many. 2 - Now that you've navigated your way down the tunnel, the Slavemaster will teleporting away and instead attack you himself. Kill him, then loot his Full Plate +1 and head to area #3. 3 - This exit leads to Sendai's Enclave 5.