The instance is based on pre-LU62 East Freeport, but with the old citadel gate retitled to "West Freeport gate"
Keep your group close together or distant members will not receive updates for clickable tasks
Waypoints for the interactive NPCs/objects can be found on the talk page
Steps
Travel to the shores off the Field of Bone and click the bell to zone into a special instance of East Freeport ( -1820, -400, -2433 ) Copy/waypoint -1820, -400, -2433 called Besieged Freeport Docks
Kill 10 freeport defenders (level 78^)
Heal 6 wounded crusaders (NPCs) using an iksar healing tonic acquired from a crate on the dock next to Xuurk ( -302, -56, -76 ) Copy/waypoint -302, -56, -76
Speak to Xuurk
Seal off the gates:
North Freeport gate: move the four barrels ( -186, -56, -109 ) Copy/waypoint -186, -56, -109 up against the gate
West Freeport gate: move the pile of refuse ( -51, -21, 90 ) Copy/waypoint -51, -21, 90 to in front of the gate
South Freeport gate: move the cart ( -183, -57, 105 ) Copy/waypoint -183, -57, 105 to in front of the gate
Speak to Quartermaster Hedoral on the dock ( -290, -56, -82 ) Copy/waypoint -290, -56, -82
If you zone out while on this step but before blowing up the barrels they will not be up when you return. Speak to the Quartermaster again to respawn them
Destroy 5 supply stockpiles on the southern dock (approx loc -203.83, -56.07, 49.65)
Speak to 5 confused iksar citizens
Return to Xuurk
Kill Dreadnaught Blackengrit, a level 80^^^. Hits hard, is immune to root/mez/stun, but has little HP
If he was up when you reached this step, he will despawn and respawn on the hill road, and path back down to the dock
Use the bell near the ship to zone back out to the Fens near the Lost Temple
Note: "Fast Travel" Will not update the quest, you need to use the bell