Shortcut/Passage/Area
The passage (1) � From the spot marked on the map, you can jump down over the ledges, thanks to which you will get to another platform.
Passage (2) � Starting with the spot, where you obtained the Black Firebomb, climb down the ladder. While facing it, turn by 180 degrees and jump to the very bottom. On the right, you will notice a small platform, from which you can jump down to a lower level. Now, turn by 180 degrees and jump to the very bottom again - there, you will find a zombie.
Descent � After you defeat the long earthworm, light the torch and look past the cliff's edge. You should notice a small escarpment that you can jump down onto. Then, climb down from the escarpment, onto another cliff on the left. You will face the entrance to a large cave.
Shortcut � You simply need to smash several loose planks.
Bonfire
Bonfire (!) � Upper Gutter. Once you walk onto the cliff with the statuettes, destroy them all. Then, jump down to the wooden ramp ahead and go down the path. Here, fall to another ramp below. NOTE! You should not go up the ramp, towards the ledge with the single zombie and the urn on it, because this way you will miss a bonfire! You should go down the ramp - the floor will colapse under your weight and you will land on the ramp with the bonfire.
Trap
A TRAP (1) � After you cross the first bridge, it is necessary that you keep to the right of the platform. Only after you reach the second bridge, you can move left and put the light on.
A TRAP (2) � A hole in the very center of the platform.
Item
Ring of Life Protection � After you take the first passage, climb onto the wooden structure and jump towards the chest.
Twinkling Titanite � From the spot where you obtained the Ring of Life Protection, turn towards the wooden structure. Below the stone ledge, on which you are standing, you will notice a spot that you can jump/roll towards. Inside, there is a chest with the item.
Havel's Armor Set � Requires the Forgotten Key (Black Gulch). The armor is inside one of the jars.
Dark Pyromancy Flame � After you spring the second trap, walk over the bridge and turn right. The item is inside one of the jars.
Black Firebomb x3 � In the chest on the upper level
Titanite Chunk � After you cross the second passage, you should notice two jars within the structure, The item is inside one of them.
Tattered Cloth Armor Set � Set After you cross the second passage and kill the zombie, turn around and jump into the passage that you can see. THe set is inside the jar.
Ring of Evil Eye � From the spot, where you obtained the Tattered Cloth Armor Set, jump ahead, towards the ramp. At the other end of the ramp, there is a chest with the ring.
From the spot, where you obtained the Ring of Evil Eye, climb up the ladder, to the very top. The item is inside the jar, in a small structure in the middle of the platform. NOTE! The jars are watched over by an exploding mummy!
Rotten Pine Resin x3 � After you take the ladder, jump down to the platform with the jars. The item is inside.
Great Club � From the spot, in which you obtained the Rotten Pine resin, jump over to the platform with the jar and, from there, onto another one with a chest. The item is inside.
Lifegem x20 � At the very bottom, inside one of the jars.
Dark Fog � At the very bottom, inside one of the jars.
Ring of Giants +1 � 1 Ring of Giants +1 and Petrified Dragon Bone
Landmark/Switch
Platform (1) � You need to spring the first trap and take a long jump.
Zipline (the beginning) � On the rooftop above the spot where you found the Bandit Greataxe
Ladder � It is hidden behind two jars (there is Dung Pie x2 next to them)
NPC (friendly)
Giant Ant Queen � Harmless. Its fumes heal poisoning (but they partially damage your equipment).
Lucatiel of Mirrah � Right before the bottleneck with the oil slicks on the ground, you should light a torch and look down the cliff. You willl notice a small stone ledge that you can fall onto. Inside, there is the Lucatiel.
Darkdiver Grandahl � Requires the Forgotten Key. It is past the door, in the descent.
Rare opponent/Boss
Invasion: Melinda the Butcher � Appears along your way back from the ledge with the Ring of Life Protection.
Boss - The Rotten
Giants (Forgotten Key) � You will reach here after you take the described passage. The opponents drop the Forgotten Key.