Quick Reference

Bosses NPCs Enemies Items
Gaping Dragon Laurentius of the Great Swamp
Domhnall of Zena
Undead Attack Dog
Hollow (Torch)
Hollow (Sword)
Small Undead Rat
Large Undead Rat
Giant Undead Rat (Does not respawn)
Channeler (Does not respawn)
Butcher (Does not respawn)
Kirk, Knight of Thorns (Black Phantom)
Ring of the Evil Eye1
Spider Shield
Sewer Chamber Key
Heavy Crossbow
Large Ember
Warrior Set2


The Depths contain the waterworks and sewers of Lordran, its tunnels home to a lot of poisonous and dangerous creatures, and their labyrinth-like layout can make them hard to navigate. There is only one bonfire, located behind a locked door. It can be opened with the Master Key or with the Sewer Chamber Key.


Important Tips


Depths Map

  1. The entry to The Depths is a door in Lower Undead Burg that you now can open with the Key to The Depths you acquired from the Capra Demon. The door is located near the base of the tower containing the lone Hollow archer.
  2. Going down the stairs, you will soon run into the first Hollow, but watch out, because there will also be another one coming from the opposite direction. Kill them both and move on to the stairs leading to a room full of tables and Hollows. Try to engage them one by one and be especially wary of those wielding a torch.
  3. Go down the next set of stairs and kill the Undead Attack Dog. Up ahead is another dog and a Butcher; try to kill the dog first and do it fast, then use your superior speed to your advantage in your fight against the brute. After you killed them both, open the chest and get the Large Ember.
  4. Turn around and head down the stairs into the shallow water. If you keep to the right wall, you will not need to fight the two Undead Attack Dogs, but you'll still have to kill the single Hollow in the corner.
  5. Leave the water by walking over the debris and enter the room to your left. Free Laurentius of the Great Swamp from the barrel by rolling against it - do not attack him or you will not be able to trade with him unless you pay for your Absolution.
  6. Leave the room and go straight ahead, but be prepared for another Butcher is lying in ambush above the door, where you just freed Laurentius. Kill her and proceed to the next room, filled with shallow water. Watch out for the Slime on the ceiling, as it will drop down if you loot the corpse and do not attack it first. Be also prepared that a Hollow could attack you here.
  7. Now, turn around, backtrack to where you fought the first Butcher, and destroy the crates in the corner, right behind the Butcher's table. Jump down into the hole and find yourself on top of a ledge, overlooking a large room and the Giant Undead Rat mini-boss. Before you engage it, you should pick up the Spider Shield, found on the other side of the ledge. You can now attack the rat by either killing it via magic and ranged attacks respectively, or quickly through a lunge attack.
  8. After you killed the rat, loot every corpse in the room, one contains the Sewer Chamber Key to the only bonfire in the area. Take notice of the "water slide" at the one end of the room, turn around and leave through the pathway on the left. Take a left turn, and another, killing the rats on your way, and jump over the hard to miss pitfall trap. Take another left corner and kill the rats, or leave them be. Turn around and go up the stairs, but watch out, because a hostile rat will jump out of the crate up ahead and attack you.
  9. Continuing onward, you will run into a dead end with five rats and a corpse. Opposite to it is an open pathway, go through, and find yourself in a cage-like room, looking into the place where you just killed the Giant Undead Rat. Destroying the crates in the corner will reveal a hidden ladder which leads down to a door that you will soon be able to open from the other side as a shortcut.
  10. Go up the short flight of stairs and kill the Hollow. The corridor to your right will eventually lead back to where you encountered the first Slime; the ceiling of this particular corridor is littered with them. Unlock the door to your left and rest at the bonfire. It is recommended that you revert to Human and kindle this bonfire since a boss fight is coming up soon. If you do not have enough Humanity, farm the rats in the general area for more, it should not take very long.
  11. Go back to where you jumped over the pitfall trap and jump over it again. Ignore the right turn and go straight ahead, turning left at the next intersection. Try to lure the Large Undead Rats one by one into your corridor, while trying not to be hit by Soul Arrows from the Channeler. Also be careful of the rats, since these are bigger, stronger and receive a buff from the Channeler.
  12. Once you killed them all, take care of the Channeler, who would have else interfered with your upcoming boss fight (you can enter the Fog Gate you see here, since it only leads back to the sewers from whence you came). If you go straight ahead until you reach the far end wall, you will find another corpse to pillage, but be ready to be ambushed from the first two crates on the left.
  13. Now, return to the room where you killed the Giant Undead Rat and slide down, where you previously turned around. You will take some moderate falling damage, but the most significant threat as of yet lurks behind the corner to your left: your first Basilisk. With his breath, he can inflict Curse on you, and you do not want to have that. Let him lunge at you and immediately back up around the corner. When he jumps at you again, kill him as fast as you can, so he does not get a chance to breathe his curse cloud, potentially killing you instantly. Alternatively, when you see the drop, go to the far left, you will slide down a side path and get to the other side, and will never have to go down there. Then you can quickly go to the boss area, or open up the shortcut.
  14. For now, ignore the path to your left (once you drop down the slide in the middle, there are about ten more Basilisks in this area and some items. You should come back here once you killed the boss) and go ahead. Be careful, since three Large Undead Rats are waiting for you around the corner. Also, if you are in Human form, the Black Phantom Kirk, Knight of Thorns will invade your world at this point, so be prepared. Go up the flight of stairs you come across, go straight ahead to the other side of the room, and up the next pathway. Opening the door will open up the potential way back as well as pose as a shortcut to Blighttown.
  15. Use your chance to rest at the bonfire, and restock your flask charges. Go back down from where you just came and head towards the door at the end of the room. You cannot open it just now, but you can talk to vendor Domhnall of Zena, who sells the Bottomless Box and Gold Pine Resin, the latter of which is quite helpful against the Gaping Dragon.
  16. If you are not interested in any of his goods, make a sharp turn to the right, just before you get to him, and go through the doorway. Turn right and right again, and go down the stairs you come across. At the next set of stairs, just between the stairs and the pillar, you will find Solaire's summon sign if you are Human and have talked to him at the bridge in Undead Burg. On the other side of that pillar, you will find Lautrec's summon sign if you freed him, before killing the Bell Gargoyles. You can summon both at the same time for this fight, but they are not very helpful in this fight. Remember: If you die during the boss fight, you first have to revert to Human form again, or you will not be able to summon them. Up ahead, you will find the Heavy Crossbow. Going down the last set of stairs will pit you against the Gaping Dragon. When you kill him, you will acquire the Blighttown Key, which will open the big door next to Domhnall.

Alternative Route

Please refer to the map for details; this is an alternative route if you don't care about all the treasure or you want to open the shortcut to the boss area first.

  1. After killing the first Butcher, break all the barrels behind her table and drop down from that floor opening. Alternatively, you can come back after freeing Laurentius and killing the second Butcher.
  2. You would be on a ledge above the Giant Undead Rat. Walk around the ledge to get a Spider Shield. Alternatively, you can ignore it, if you have one already.
  3. Dispatch the Giant Undead Rat with bow and arrows, or crossbow and bolts, or use magic, or jump down to melee him. Collect all the loot, including the Sewer Chamber Key, and stay in the area.
  4. Go toward where sewer water runs down and hug the left wall.
  5. Keep yourself on the left, hugging the wall, and slide down.
  6. You land in the area below the boss area. To the right, you will find a stairway leading to the bonfire; you may want to do this first. To the left, you will find a short path toward the area where the Black Phantom [[[kirk-knight-of-thorns | Kirk]] would appear if you are in human form.
  7. Explore the area for treasure. Make sure to kill the Channeler before the boss fight, or he will add ranged magic attacks to the battle and also buff the boss.

Humanity Farming

Coming from the bonfire, you can farm Rats for Humanity. For further information, please refer to the Humanity Farming page.

Titanite Farming

The Slimes can easily be farmed for Large and Green Titanite Shards. For further information, please refer to the Upgrade Material Farming page.

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