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Teleportation Disabled |
The Lost Halls is an endgame dungeon designed by Toastrz and Kiddforce. The original design document was made by Toastrz but the final version contained some noticeable differences and was “grander in scope.” The Records of the Lost Halls are a series of official lore entries that give backstory into the dungeon and hint at dungeon mechanics. The dungeon was released on August 1, 2017, coinciding with Month of the Mad God.
In addition to the main dungeon, there are 2 secret areas, each with their own boss. The bosses here are the only sources of the new T13 Weapons and T14 Armor, as well as a number of powerful Untiered items.
The portal has a chance of dropping from the Lost Sentry event boss, which spawns once per realm.
The currently dungeon is more commonly known as “Lost halls 2.0.” The “original” version of the dungeon (before Patch X.26.0.0) can be found here
The Lost Halls Key is available in the Nexus for 200 
.
See the Lost Halls Guide for a walkthrough on the dungeon.
The Lost Halls is composed of a large “grid” of 17x17 rooms with hallways connecting them. Enemies are found in these rooms in their respective groups. The rooms tend to look similar, but can have randomly-generated gimmicks found in them. These gimmicks range from beneficial to dangerous, such as arrow/bomb traps, ice tiles, Pure Evil, Marble Eyes that provide AoE status effects, etc.
The dungeon is fairly big, with the only indicator of where the main boss is, making it very hard to navigate. To add an element of dread and suspense, an invincible, lethal enemy called the Spectral Sentry aimlessly roams the halls, attacking anyone that approaches with unstoppable force.
Enemies in the main dungeon are lumped into 4 categories: Lost Crusaders, Oryx Infantry, Grotto Beasts, and Lost Golems. Enemies will always be found in these groups, which are detailed below.
There are several notable rooms that are different from the others.
The Starting Room is a square room containing 1-4 Pillars inside, facing a wall. In order to enter the main dungeon, players will have to stand close to these Pillars to kill them, opening up the corresponding path in the wall.
Dead ends have a multitude of Treasure Pots that can drop bonus loot such as Tinctures, Effusions, and Stat Pots. A number of the Pots will spawn Evil Spirits, but one of them will have a passive pink flame that will teleport itself to the Treasure Room boss. These flames are essential for accessing the secret area of the dungeon. Additionally, after a Flame is found, it becomes visible on the minimap, thereby revealing the location of the Treasure Room.
The Treasure Room is a large room identical to the ones normally found. It is completely empty except for the Treasure Room Boss, the Agonized Titan, in the middle and a locked portal to the Cultist Hideout.
Just before the boss room is a relatively empty room, containing only the Marble Defender. Once found, it will become each player’s Quest, making it easier to find for players that have split up. After being defeated, the wall behind it opens to the Boss Room.
The Boss Room is a large square room, much larger than the normal rooms found in the dungeon. The Boss resides in the middle of the room. This room has one entrance which is blocked off by the Marble Defender, and the entrance seals off after the boss is activated.
The Agonized Titan is activated by gathering 5 pink flames from the Treasure Pot Rooms and bringing them to the Titan. After defeating it, the Cultist Hideout will open.
| Last updated: X16.0.0 |
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Note that once you enter the Cultist Hideout, you can not go back to the Lost Halls.
The Cultist Hideout consists of a series of hallways made of brown bricks. The enemies are found in small groups throughout the dungon. Malus and his cultists are found in a large square room with a pentagram in the middle.
Malus |
Argus |
Gaius |
Basaran |
Dirge |
Follower of Malus |
Follower of Argus |
Follower of Gaius |
Follower of Basaran |
Follower of Dirge |
Follower of Valus |
Follower of Phaedra |
Molek
| Last updated: X16.0.0 |
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Teleportation Disabled |
The Void can be accessed by consuming a Vial of Pure Darkness once you defeat the Marble Colossus.
The Void consists of a large circular platform of wooden tiles, similar to those found in The Shatters, in an expanse of Pure Evil. As time goes by, the platform will slowly get smaller as it is swallowed up by Pure Evil, and as the boss takes damage he will split the platform in two, and later in four.
A very high degree of teamwork and coordination is required to finish this dungeon. The layout is very confusing and the enemies require a large amount of combined DPS to take down. Stick together: spiltting up only makes it harder to take down the clusters of enemies.
3 consecutive rooms (without a split) in a row means it has to be the right way towards the boss.
It is important to remember that every enemy group has a different role to play in the dungeon.
Always stay on guard in case the Spectral Sentry appears. In case it does, make sure you have a clear path to escape the Sentry.
Because the enemies respawn, there is a tactic where groups leave a “trail” of players, 1 player every other hallway (preferably the weaker ones that may not survive direct combat). This ensures that the enemies will not respawn, but comes at the price of weakening the group’s DPS. This technique is often referred to as “breadcrumbing”.
This dungeon has 2 different true objectives:
Gathering 5 pink flames to kill the Agonized Titan to reach the Cultist Hideout to obtain the Vial of Pure Darkness.
Killing the Marble Colossus and then using the Vial of Pure Darkness to reach the Void and defeat the Void Entity.
Crusade Soldier
Crusade Shipwright
Crusade Explorer
Oryx Swordsman
Oryx Armorbearer
Oryx Admiral
Grotto Bat
Grotto Rat
Grotto Slime
Golem of Anger
Golem of Fear
Golem of Sorrow
Spectral Sentry
Treasure Pot
Evil Spirit
Marble Colossus Pillar
Marble Colossus Rock
Marble Core
Balaam 
Fire Demon
Ice Demon
Lightning Demon
Void Fragment
Void Shade
Greater Void Shade
