An image taken by Therrien, which he notes took two hours to stage.

Bloodborne lore contains a group known as the Tomb Prospectors, who explore the labyrinth dungeon on behalf of the Healing Church. Months after release, that idea spawned a group of real-life Tomb Prospectors: players who endlessly scour Bloodborne’s dungeons, all in the hope of finding something no one is even sure actually exists in the game.


“What we’re looking for [includes] rare wandering bosses, rare enemies, rare boss spawns or...unusual rooms,” said Connor Therrien, a prominent member of the Tomb Prospectors. The initial idea was concocted by Fred Riley on December 2015. Dressed as a Tomb Prospector from in-game lore, Riley invited others to join him on his quest to explore as many root dungeons as possible, a challenge that has since been taken up by hundreds of people, largely thanks to the efforts of Moros Nyx, who organized the official Tomb Prospectors community online.




Tomb Prospectors primarily explore the game’s unpredictable “root” dungeons. Bloodborne allows players to create areas known as “Chalice Dungeons,” which come in two flavors. Regular dungeons are the same every time, but “root” dungeons are randomly generated. Members of the Tomb Prospectors are encouraged to create these unpredictable dungeons and to share out-of-the-ordinary dungeons with one another using the game’s built-in “glyph” system, which lets them use a code to download Chalice Dungeons created by others.



Tomb Prospectors make their dungeons even harder in hopes of finding new experiences. Bloodborne is already a grueling game, but ambitious players can turn it up a notch by performing “rites” that alter dungeons to make them even more demanding. Such additional rites include the Fetid offering, which boosts enemy power; the Rotted Offering; which allows more powerful enemies to appear; and the Cursed offering, which cuts the player’s health. Tomb Prospects turn all three of these variants on, partially because they love a challenge, but mostly because it makes it more likely that the Chalice Dungeon will be unique in some way.



Tomb Prospectors can strike gold in many forms, not just the traditional boosted gear. Prized findings range from oddities like empty dungeons to enemies very few people have seen in person, like the Labyrinth Mole Rat. While most people would be lucky to ever see one Mole Rat, Tomb Prospectors have managed to find two in a single place, because of course they have:


Tomb Prospectors are the most in love with wandering bosses, which are some of the strongest enemies in the game. Instead of being relegated to a special showdown room encased by fog, the game treats them as if they were just an everyday foe. When you’re running around in a normal area, seeing such fearsome menaces just chilling, as if everything is cool, can be a sight to behold:

Roaming Pthumerian Descendant, as captured by Aikao


“They deal just as much damage as their boss counterparts,” Therrien said. “The only difference is they have less health and can be avoided, unlike [Chalice bosses] which you must fight to progress.”

The randomness of the Chalice Dungeon can totally transform these boss encounters too, as was the case with this wandering Watchdog. The Watchdog is a fire hound, and in Aikao’s game it happened to be thrown into an Oil Swamp environment, which can boost fire damage. Bosses normally require close attention, but that usually means memorizing attack patterns and other general boss behaviors, not environmental hazards. In the case of this Watchdog, the player has to be extra careful moving around the pockets of oil, so as to not get engulfed by flames:

Sometimes, Prospectors will find multiple wandering bosses in a single area (“a rather rare occurrence,” Therrien said), and in those situations, Prospectors kite them until they can stage spectacular fight clubs where the bosses tear each other apart, as you’ll see below.


Beast Possessed Soul Vs. Abhorrent Beast, by The14thBloodHunter

Beast Possessed Soul Vs. Blood Starved Beast, by The14thBloodHunter

(Skip to 2:25 to get right into duel.)

While all of these bosses are already known, the Tomb Prospectors are still excited to find them in new places. For instance, at the moment nobody has ever found a wandering boss in the “Isz” type Chalice Dungeon, so the Prospectors are trying their best to see if it’s a possible combination. The Prospectors are also trying to find The Celestial Emissary boss as a wanderer. It’s never been observed before, but the Prospectors are convinced it must exist.




The holy grail, however, is a particular item called “Revered Great One Coldblood,” an object that is listed in the official Bloodborne game guide as something that can only be found in depth 5 root Chalice Dungeons—and yet, nobody has seen it yet. There’s a debate over the true nature of this item in Bloodborne fandom. Some believe that the Revered Great One Coldblood never made it into the actual game, though it may be contained within the files. Maybe the guide is only partially wrong. Others think that perhaps Bloodborne is glitched so that it gives you the wrong item.




“There is nothing to support its nonexistence, but at the same time very little to support its existence (pics and descriptions within the game guide and official artbook),” Therrien said. “So we prospect in hopes that potentially it may appear someday, and [we will] forever immortalize the lucky hunter who finds it in gaming history.”

Therrien estimates that he’s created at least 200 Chalice Dungeons with the explicit purpose of finding the Revered Great One Coldblood; so far, no luck. Other members are known to Prospect every single day, meaning they’ve likely created thousands of Chalice Dungeons.




“You never know what you’ll find!” Therrien said.



The Tomb Prospectors can be found on PSN as the community “Bloodborne: The Tomb Prospectors,” and they have a subreddit where they share findings here. A YouTube gallery of Tomb Prospector findings, compiled by Moros Nyx, can be found here. A Google Doc containing Bloodborne Prospector glyphs, also compiled by Moros Nyx, can be found here.



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