Episode 31: Bloodborne Platinum Trophy Guide 31 - Pthumeru & Central Pthumeru Chalice Dungeon boss fights. Pthumeru Chalice is a Chalice Item in Bloodborne. Combining the Materials listed below in the Chalice will create a Chalice Dungeon. You must be at one of the Tomb Altars in Hunter's Dream to do this. This dungeon is static and never changes Bosses, design, or loot. Central Pthumeru Chalice is a Chalice Item in Bloodborne. You can create this chalice dungeon by combining the materials listed below at one of the Tomb Altars in Hunter's Dream. This dungeon never changes Bosses, design or loot. Bosses:

1:15 - Undead Giant boss
2:30 - Merciless Watchers boss
4:00 - Watchdog of the Old Lords boss
6:15 - Beast-possessed Soul boss
9:00 - Hintertomb Chalice location
10:25 - Keeper of the Old Lords boss
12:30 - Pthumerian Descendant boss