There are many locked spaces and chests in Hell is Us. To unlock them, you'll need to find specific rods, known as Lymbic Rods, that match the spaces shown on the lock. Many of these are associated with different Mysteries in the game and hold unique loot. This is what Lymbic Chests and Lymbic Doors are, where to find them and how to get the Lymbic Rods to unlock them in Hell is Us.

How Lymbic Rods Work
You'll first learn about Lymbic Rods after you gain access to Vitalis' house and basement in the Acasa Marshes. You could have collected a rod or two before then, but acquiring the items in Vitalis' basement room will trigger the tutorial information about them.
Lymbic Rods are long and square, with a colored tip that represents the Lymbic Sphere it's associated with. The description for the item will list what type of rod it is, signified by a symbol. There are five rod designs, designated W-Z, that correspond with the different, negative Lymbic Spheres.

When interacting with a Lymbic Chest or Lymbic Door, you'll see the type of rod you need (Terror, Rage, Grief, Ecstasy, or Neutral) at the top. The color of the squares will match the Lymbic Sphere, as well. Additionally, you'll need to match the symbol of the rod with the one you insert. The correct Lymbic Rod will remain in the space, while an incorrect one will pop out.
To open these locks you'll need all the required Lymbic Rods at a single time. Inserting one at a time won't work. Thankfully, the rods you get will have a translation pointing you to the lock they fit. While they do correspond to a certain lock when crafted, you can use them interchangeably as long as the Lymbic Rod matches the color and symbol.

Hell is Us Lymbic Rods List | Lymbic Rod, Lymbic Chest, and Lymbic Door Locations
| Lymbic Chest / Door | Specific Directions | Lymbic Rod 1 | Lymbic Rod 1 Location |
Lymbic Rod 2 | Lymbic Rod 2 Location |
Lymbic Rod 3 | Lymbic Rod 3 Location |
Loot Inside |
|---|---|---|---|---|---|---|---|---|
| Lymbic Door - Senedra, Hilltop | From the APC, head north up the hill. Turn right at the overturned truck with barrels on the ground, then turn right into the ruins and head upstairs. | Grief, V | After you have the Mine Key, past a locked door near a glowing mineshaft in Vyssa Hills. | Grief, Z | Found in a chest by the stone coffin underneath the Watcher's Nest in Vyssa Hills. | N/A | N/A | Module - Rearguard, General Firion's Journal, Ancient Scroll |
| Lymbic Door - Senedra, Underground | In the locked room in the trenches with the couple. Use the Flame key to unlock the door and get access. | Rage, Y | Found in Capsian's house in Talju. | Rage, Z | In a backpack in the tunnel leading to the Blood Queen statue; follow the path under the sign "Please Watch Your Step As You Are Entering" and make the first left turn in the large open room after the sign. | N/A | N/A | Sword of Ecstasy Glyph - Rage Spike - Enhanced |
| Lymbic Chest - Acasa, Eastern Ruins | Northeast of Jova near the Vigil training grounds puzzle amongst a small ruin. | Terror, Z | Found next to the Timeloop in Pathem Abbey. | N/A | N/A | N/A | N/A | Glyph - Lingering Pain - Enhanced |
| Lymbic Chest - Acasa, Vitalis' Basement | Found in Vitalis' house basement. This is the house across from the Blacksmith shop and requires rescuing Victor Gaz. | Grief, W | Located in the keypad locked room in Vitalis' basement. | Grief, Y | Found behind the red tool chest in the Blacksmith's shop in Jova. | N/A | N/A | Glyph - Limbic Mending |
| Lymbic Door - Acasa, Western Monument | Northwest of Jova in the room under the ancient monument. | Neutral, X | In the small ruins to the north of the hanging tree. | Neutral, Z | Found in the sewers underneath the well in the center of Jova. | N/A | N/A | Brooch of Ecstasy - Delectable Recovery Faded Blueprints |
| Lymbic Chest - Vyssa Hills, Fort | In the Moon ruins after the second part of the snake path. Obtain the Key - Mines near the note to Ali in front of the ruins and follow the rat symbol through the tunnels. Climb the ladder before her camp. | Ecstasy, Z | Inside the Moon section of the snake tunnel. | N/A | N/A | N/A | N/A | Amine Prism - Theta |
| Lymbic Chest - Lake Cynon, Reservoir | Located at the bottom of the drained reservoir, opposite the ruin entrance. | Neutral, Y | Found in on a bookcase in the room behind the Lymbic Forge's chapel pulpit and to the west, in the area below the Lymbic Forge's hammer door after you've pumped out additional water | Neutral, W | In the OMSIF Observation Outpost 08 to the northeast of Jova. | N/A | N/A | Glyph - Wave of Wrath - Elite |
| Lymbic Door - Lymbic Forge Dormitory | This is the only door not directly associated with a Mystery. It's found in the living chambers of the Lymbic Forge, located down the left hallway in room after the first save point inside the ruins. |
Ecstasy, X | Lower parking lot of the Lethe - Ministry of Cultural Primacy in a blue car to the left of the ambulance. | Ecstasy, Y | In the desk outside Office 108 on the third floor of the Ministry of Cultural Primacy, reached by dropping down the broken hallway on the fourth floor | N/A | N/A | No loot. Gives access to dormitory wing. |
| Lymbic Chest - Lymbic Forge, Dormitory | Pass the Ecstasy Lymbic Door inside one of the dorm rooms. Guarded by a Hollow Walker. | Neutral, V | Found in the library wing next to the wine cellar. | N/A | N/A | N/A | N/A | Glyph - Void Tuning Stone - Weak |
| Lymbic Chest- Lymbic Forge, Hall | Found in the library wing. After the first save point, take the right hallway in the next room. The chest is in an empty room that only has enemies, but no other decor. | Rage, W | Found in a bookcase in the room behind the Lymbic Forge's chapel pulpit, in the area below the Lymbic Forge's hammer door after you've pumped out additional water. | N/A | N/A | N/A | N/A | Glyph - Nightfade Lymbic Capacitor - Medium |
| Lymbic Door - Lymbic Forge | Located at the bottom of the Water Sluice area. Do not take the lift. | Terror, W | Found in the area below the Lymbic Forge's hammer door after you've pumped out additional water | Terror, Y | In the first room of the Lymbic forge with all the statues you can scan, head down the stairs on either side. Go through the passage underneath the main staircase and look to the side to find a chest. | Terror, X | Found in the Chapel of the Lymbic Forge, in the area below the Lymbic Forge's hammer door after you've pumped out additional water |
Glyph - Shriek of Terror |
| Lymbic Chest - Lymbic Forge, Waterfall | In the Keystone room behind a waterfall between two giant water wheels on the left side as you enter. Walkway is found near the anvils. | Grief, X | Complete all protocols in the B4 Timeloop Weaponization room. Then head to the Stock Room on the other side of the room. | N/A | N/A | N/A | N/A | Glyph - Delirium - Enhanced Lymbic Capacitor - Medium |
| Lymbic Chest - Jeljin, Archaeology Camp | Found on a truck in the Archaeology Camp area of the cemetery. | Rage, X | Found at the end of the underground tunnels near the Timeloop in Jeljin. | Rage, V | In a white pickup truck with an aftermarket cargo box on the back north of the ON soldiers in the parking garage where you first arrive in the APC. | N/A | N/A | Amine Prism - Theta |
| Lymbic Chest- Marastan, Ruins | In the ruins of the Raveta Estate by the river. Take the underground tunnel from the small island. Once inside the ruins, go up the ramp to reach the opposite side, climb the stairs and walk along the stone wall to find the chest underneath another set of stairs. | Terror, V | Down the southern path of the tombs under the Marastan graveyard. Go down the southern tunnel, turn left, and head straight. | N/A | N/A | N/A | N/A | Amine Prism - Theta |
| Lymbic Chest - Temple of the Fallen | Found at the top of the stairs after the Gorge of Our Sacrament test room. | Ecstasy, V | Found near the ranged Timeloop Guardian close to the Pit of Mycellium. This area is before the Trial of Lies and Truth | Ecstasy, W | Found on a corpse on the trial path. | N/A | N/A |
Tuning Stone - Strong |
That's the end of our Hell is Us Lymbic Rods Guide. Make sure to check out our other guides below!