Valor Mortis Empty Ferrofluid Flasks are very useful objects that can be found at different locations within the game world. You should collect 9 Valor Mortis Empty Ferrofluid Flasks, where 8 of them can be found in chests, and one of them can be bought at a workbench. Some of them are easily found, while other ones should be searched for. In this guide, we’ll show you where to find all 9 Empty Ferrofluid Flasks so you can collect them without missing any.
All Empty Ferrofluid Flask Locations
Empty Ferrofluid Flask 1

The first Empty Ferrofluid Flask can be easily located in the Valley of Ashes area. Simply fast travel to The Climb Lantern and check to your left. There is a red chest just next to the Lantern. Open it and take the flask.
Empty Ferrofluid Flask 2

The location of the second Empty Ferrofluid Flask is at the Marketplace Lantern of the Fallen Village area. Swing from blue hooks using your Grappling power in order to get past the river to the location with the fire. Walk along until you see a house on the right side with a wooden wagon beside it. The chest with the flask will be found in front of the house.
Empty Ferrofluid Flask 3

The third Empty Ferrofluid Flask can be found in the Caverns area. Begin from the Old Mine Lantern and go straight ahead down the main road to the right. Find and climb up the wooden stairs till you see a lever at the top.

Press the lever to lift the platform. Now freeze the cogs using the Stasis Transmutation to hold the platform in position. Jump on the platform and move into the cave.

After moving into the cave, you should head straight to the left. You will find a rotating platform which needs to be frozen using the Stasis Transmutation to create a path towards the other side where the chest holding the flask lies.
Empty Ferrofluid Flask 4

The fourth Empty Ferrofluid Flask can be acquired by visiting the Ship Graveyard Lantern at the Vale of Wrath area. Make sure to turn back and head to the small camp that you cleared while making your way to the Lantern. There, you will find the chest housing the flask at the center of the camp.
Empty Ferrofluid Flask 5

Empty Ferrofluid Flask 5 can be located in the Cursed Hollow area, close to the shortcut that takes you back to the Village Church Lantern. Move along the level following the path towards the end and find the shortcut. But before taking the shortcut to get back to the Lantern, check if there is a chest around.
Empty Ferrofluid Flask 6

To find the sixth Empty Ferrofluid Flask, go to the Market Square Lantern in the Outskirts area. You need to go to the building where you previously blew up some barrels in order to create a shortcut back to the Lantern.

Then enter the building and walk up the staircase that is on the left side. Once you are on the top floor, you will see a big enemy standing at the window. Then turn 180 degrees and jump to the higher floor. There will be a chest located on the left side of the floor with the flask. Be careful opening the chest since it explodes once you do.
Empty Ferrofluid Flask 7

Empty Ferrofluid Flask #7 is located in the University district. To begin with, take the stairs from the Lantern in the Main Hall to the right of the big statue. Enter the only door that is open when you come here for the first time.
Move forward in the hallway and grab the purple pole to swing to the other side. When you land there, turn right to get to the balcony and go along it to the left until the end of the hallway. Then make another left turn and move to the big staircase.
Ascend the stairs to the left. Then make a left turn and ascend the next staircase. Jump over the fallen bookshelf, then descend the next staircase. At the bottom, you will see a lever. Pull the lever to make the statue in the lower area move and open the chest with the flask.`Head back to the statue to collect your reward.
Empty Ferrofluid Flask 8

The eight empty Ferrofluid flasks are situated in the Fortress area. Use fast travel to the Courtyard Lantern area, and then go into the big building found on your left that has an elongated hallway.
Go to the extreme right end of the hallway and locate the Eternal Guards symbol on the wall near a hidden door. In order to use this symbol, you have to pick up all the pieces of the Stone Pyramid from the Eternal Guards mini-bosses.

Use these pieces to create the Stone Slab, and then use the Stone Slab on the symbol to unlock the hidden room. The flask can be found in a chest on the left inside the hidden room.
Empty Ferrofluid Flask 9

Unlike other Empty Ferrofluid Flasks, which can be found inside chests, the ninth and last Empty Ferrofluid Flask can be bought from Louis’s Laboratoire workbench located inside the Abandoned Church. It costs 3,000 Catalysts and can be acquired by visiting the Abandoned Church Lantern and going to the workbench.
Why Collect Empty Ferrofluid Flasks
Ferrofluid Flasks can be filled with potions, and the more flasks you own, the higher the charge count. You will initially start with 3, and by adding 9 more, you will own 12 flasks. You can visit any lantern to rest and select the Upgrade Ferrofluid Flask option to redeem all your owned flasks. If you check the flask count in your hotbar, it would have increased, allowing you to carry more potions as you explore the depths of Valor Mortis.
