You have to eliminate him.
Point 1
After finding documents go to theKing’s Landing.
Entrance to his manse is between the brothel andHarlton’smansion.
If this quest seems to be too difficult you might return here withMorsin[11th chapter].
Your only task is to kill everybody in the manse, otherwise they’ll kill you.
Fight begin at the doorstep.
Enemies in the manse have almost every jot down of weapons and armors, so prepare for challenging battle.
Prepare different weapons for different armors.
Loot everything you’re able to.
On the way there visit other rooms with enemies and loots.
When you finally kill greeter, pick up hisKey to the Collector’s Cellarsand return on the lower floor.
Point 3
Angry man is guarding the kitchen you have to go through.
bring up the hatch to cellars.
Point 4
At the end of the cellar you find a dead end.
UseR’hllor’s Visionto find a mechanism which opens a way to the secret cellar.
In the next corridors you’ll face single bodyguards.
Point 5
Wandering through the corridors you find cells with many slaves inside.
You’ll free them soon, but firstly you have to find a key.
Point 6
In this room bigger but not challenging battle takes place.
Find a man in purple robe among the attackers.
This man is a steward withKey to the Collector’s Slave Cells.
Return to[point 5]and open all cells, freeing slaves.
One of them shouts that he left a gift for you in the hay.
Point 7
Wandering further you find another quasi dead end.
Again, use the R’hllor’s Vision to find an opening mechanism.
Point 8
Immediately after opening the secret tunnel you get attacked by two guards.
Point 9
Leave the cellar to get to the last wing ofCollector Manse.

As in the case of greeter, first search all rooms, then attack theCollectorhimself.
Point 10
When you enter theCollector’sroom prepare for a hard battle.
Switch on a blunt weapon, because Collector and one of his guard have a heavy armor.
If your heath drops under the half, Collector may kill you in a single hit.
When you kill the second bodyguard, attack Collector with all you’ve got.
Wildfire will be useful.
After the encounter loot the Collector’s chamber and take everything.
Among those things you find the statuette ofThe Stranger.Revenge is best served cold.
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