Fetid Slagmire

Great Scythe - Along the wall near the bonfire towards Quelaag

Soul of a Rusted Knight - Further along the same wall on your left

Quelaag - 20,000 souls + Soul of Quelaag + Twin Humanities

Dung Pie 3 - Drop from the elevator wheel when going up

Whip - Out on a wooden beam across from the old Firekeeper soul area with the toxic hollows

Large Titanite Shard - Far to the right from the entrance to Qelaag tucked in a corner

Hunter Soul - Where the old bonfire was

Serrated Knife - On the way up to Firelink in the area where the Firekeeper's soul was. Go around the upper ledge and jump to the other side

Claw - On the way up to Firelink fomr Fetid Swamp in the area where the Firekeeper's soul was. Drop down, it's guarded by a dog

Tattered/Pyro set - Left from the entrance to Quelaag, back in a corner

Knight set - Towards Ash Lake from the bonfire and immediately to the right behind a stone wall corner

Raw Knife + Rotten Pine Resin - Towards Ash Lake from the bonfire to the right back behind the tree roots in a chest

Green Titanite Shard 3 - Towards Ash Lake from the bonfire to the right back behind the tree roots in the middel of a group of slugs

Soul of a Rusted Knight - In front of the first illusory wall to Ash Lake

Cast Light

Soul of a Cleric + Purple Moss - Underneath the tree root to Ash Lake

Poison Throwing Knife 8 - After you climb the first ladder up to Blighttown Catwalks, turn around and jump onto the platform that has a toxic hollow spawn

Soul of an Old Soldier + Charcoal Pine Resin - After you climb the first ladder up to Blighttown Catwalks, just past the boulder ogre

Sunlight Elixir - At the first entrance to the pit walk along the wooden beams to a chest