Includes the chapel and the stairs leading up to the gate.
Nightmare Chapel lamp
:? At the top of the stairs just outside the chapel.
:? Around the corner from the chapel entrance.
:? On a partial rooftop along the way up the winding path.
Nightmare Plaza
Grand Staircase
:? Start going up the stairs, left at the first landing, and drop down from the platform to reach a rooftop with sitting beasts. Kill them to cause the red-eyed hunter to appear.
:# Vermin
:? Behind the gate at the top of the stairs near Nightmare Chapel.
Gate
:i Connects the stairs near Nightmare Chapel with the Grand Staircase.
:? To the left of where the group of Beast Patients are.
With Laurence's Skull
:# y Beast's Embrace
Nightmare Grand Cathedral lamp
Blood River
Shore
:# Nightmare Residence
:# Behind the house
Cave
Bridge
:? Under the bridge, slightly upstream, guarded by several Bloodsuckers.
:? In a dead end across the bridge and to the left.
Tell him you're interested.
Door
:i Connects Nightmare Chapel to the Blood River Bridge.
Corpse Canal
Blood Canyon
Corpse Ravine
:! Do not kill the Wandering Nightmare here if you wish to efficiently farm Blood Stone Chunks later on.
:? At the bottom of the stairs leading down and out of the church.
Nightmare Clinic
Underground Cells
:? Behind the door down the stairs.
With Underground Cell Key
:? Kill Yamamura in the cell at the end of the hallway.
:? Kill the hunter in one of the locked cells.
Brador (hallway)
Brador (cell)
:i After killing Brador in his cell, he will no longer invade the Fishing Hamlet and you can farm Chunks without having to fight the enemies in the hallway.
:# Bloodletter
Recovery Hall
:? After activating the elevator, send it up while remaining on the ground floor.
:? After activating the elevator, send it up while remaining on the ground floor, then pull the lever to bring it back down again and immediately step onto it to go all the way to the bottom.