Enter the palace district and turn right, where you can see the imprisoned Ogre. Make your way through the area, killing dwarven soldiers and avoiding the ballista along the way, and head left and up the stairs. Kill Kardol on your way up. At the top of the stairs you will battle several dwarven soldiers and Steel Golems.
Once the area has been cleared, pull the two levers (one on each side) to raise the portcullis and release the Blight Wolf and the Ogre. Enthrall both of them.
Before smashing the nearby gate at the bottom of the stairs, use the Ogre to smash the barricade to the left of the stairs (this area will be marked as Side Alley on your map). Inside you will find Sergeant Kylon, a Knight, and some innocents. Loot the chest for Ring of the Warrior, and Kylon's corpse for Deadhead Charge. Then use the ogre to smash the gate at the bottom of the stairs to open the way to Fort Drakon.
Rewards EditDeadhead Charge
A north-made brute force channel to the Fade granting the physical resolve that only a lack of sense can bring.
+20 physical resistance
-1 willpower - Found on Sergeant Kylon. Juggernaut Plate Armor
Silverite (Tier 6)
Requires: 38 strength
+10% fire resistance
+10% cold resistance
+10% electricity resistance
+10% nature resistance
+10% spirit resistance - Found on Sten. Malign Staff
Ironbark (Tier 5)
Armor penetration: 36.00
+2.5 mana regeneration in combat
+20% fire damage
+10% spirit damage - Found in a chest north of the staircase leading to where the Ogre is being held. Reinforced Magus Cowl
More like a helm than most, this restrictive cowl was likely with a very specific need in mind. There are no visible runes, but the unknown monogram "L.X." glows slightly when viewed peripherally.
+20 mental resistance
-1 dexterity - Found in a chest at the back of where the Ogre is being held. Ring of the Warrior
This is gold, covered in elven script. Whatever the writing says, it's awfully wordy.
+2 dexterity - Found in a chest in the area marked as Side Alley on your map. Shield of the Legion
Red Steel (Tier 5)
Requires: 28 strength
Strength modifier: 1.00
+15% spirit resistance
+2 armor penetration
Chance to avoid missile atacks - Found on Kardol. Sten's Sword
A Qunari greatsword. Though its blade shows nicks from numerous battles, it has obviously been well looked after.
- Gift found on Sten. Swordsman's Girdle
This ingenious Fereldan item is designed to do the difficult work of holding up a warrior's pants, so he can concentrate on sword-swinging.
+2 melee critical chance - Found on Sten. Totem
A small wooden totem with figures of demons and other strange beasts carved into it.
- Gift found on Kardol.
The area has several places in which enemies will infinitely re-spawn. This means you can easily get the Enthralling achievement, but note that the re-spawns can sometimes "dry up", such as the spawn point in the palace. It can be reactivated by commanding all characters to hold position at the palace's front gates and walking down the stairs that lead to it and then back up.