Chalice Dungeons in Bloodborne are vast underground ruins deep beneath the city of Yharnam.
These are procedurally-generated to create new situations every time you visit. Hunters have to perform the Chalice Ritual to get access to the Chalice Dungeons.
Tip: to unlock Chalice Dungeons PvP use this path Pthumeru > Central Pthumeru > Hintertomb > Lower Hintertomb
Abhorrent Beast
You will find this in Ailing Loran. Abhorrent Beast will drop Blood Echoes and Lower Loran Chalice
Beast-possessed Soul
(details will be updated soon)
Bloodletting Beast
It will drop Blood Echoes and Pthumeru Ihyll Chalice
Keeper of the Old Lords
It will drop Sharp Blood Gemstone and Blood Echoes
Merciless Watchers
You will find the Merciless Watchers in the third layer of the dungeon who will drop 1183 Blood Echoes - Pthumer root chalice
Pthumerian Descendant
(details will be updated soon)
Undead Giant
You will find the Undead Giant in the first layer of the dungeon and he will drop around 1425 Blood Echoes and 2 Adept Blood Gemstone
Watch Dog of The Old Lords
This enemy will drop Central Pthmeru Chalice and 1866 Blood Echoes
Yharnam, Pthumerian Queen
Find it in the PthumeruIhyll Chalice to get Yharnam Stone and Blood Echoes