Hiisi Base

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Hiisi Base.png

The Hiisi Base is the 4th level of the main path, following the Snowy Depths and preceding the Underground Jungle. It is a frozen fortress inhabited by vast amounts of Hiisi.

Layout and hazards

The Hiisi Base consists of a series of steel corridors dug through the ice and rock, leading all over the entire base, and frequently blocked by piles of Snow or Ice. Dotted throughout the base are both small and large basins filled with Unstable Polymorphine or Toxic Sludge, the latter of which can be cleansed with Water to provide more of the same to refill your flasks.

In addition to furniture props scattered about, there are also many hazardous Props and materials scattered throughout the biome, including:

  • Wooden explosive crates.
  • Purple propane tanks, which contain large quantities of Freezing Vapour and may launch themselves erratically when damaged before exploding violently and releasing the remainder of their contents.
  • Large Gunpowder Crates which leak volatile Gunpowder when damaged and explode on being destroyed.
  • Shield Generators which block projectiles from passing through, and deactivate when approached by enemies or you. If damaged, these will release a Thunder Charge which will explode and send electrical shocks in all directions.
  • Seemingly innocuous fluorescent lamps are attached to the ceiling of many of the narrow corridors. If damaged, they can emit very hazardous electric shocks for some time before shorting out. Be cautious around any damaged lamps, as even a small electrical jolt can render you helpless for several seconds.
  • Pools of Toxic Sludge or Unstable Polymorphine.
  • Pools of Lava in Glass basins (which prevent the lava from slowly eating the steel) which may contain wands or other items.

Be aware that explosives can often be found underneath piles of Snow, making digging through unassuming snow piles much more hazardous in this biome.

Points of Interest

  • The Hiisi Bar may spawn here, providing some fun scenery and breakable items, usually accompanied by some whiskey flasks.
  • A Sauna will rarely spawn, which will always contain a Kiuaskivi and either a Vasta or Vihta unique wand.
  • Drills can rarely spawn, with small glass chambers containing oil and pockets of gold below the drill itself. Applying an electric current which ignites the oil inside will emit a plasma beam from the drill, for as long as there's oil inside.
  • A spell shop containing 4 purchasable spells will generate along either the left or right edge of the biome.
  • Above the spell shop you can find The Hourglass Chamber.
  • In the bottom-right corner of the Hiisi base, you can find an anvil. You can throw items marked as "broken" on it to fix them.
  • The Hiisi Kitchen is an uncommon structure found in the Hiisi Base. It is mostly made of steel, with a moderate amount of oil inside, multiple pieces of sausage shaped meat, covered in oil on the outside, and three pieces of fully-cooked meat to the side. A Kokkihiisi always appears along with it.
  • Huge vats of Teleportatium completely encased in Dense Steel can also sometimes be found.
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  • The spell shop, The Hourglass Chamber, and the anvil do not exist in parallel worlds. However, the eye-shaped room that the hourglass chamber would teleport to can still be found by digging through the Extremely Dense Rock to the left side of the biome.


As their base of operations, this biome is dominated by vast amounts of Hiisi and their robotic servants:

Wands & Spells

All wands spawned in the Hiisi base will be from Tier 3, and the spells found in the spell shop in one of the outside walls of the biome will contain Tier 2 spells.

See this page for a full list of the spells that can spawn in this biome.


  • Treasure Rooms sometimes appear, housing a Chest or Max health upgrade. They are occasionally completely surrounded by Steel walls, so you'll need either Acid, Concentrated Mana, or spells capable of digging through steel to access.
  • There is a seemingly innocent closet-looking prop that can occaisonally spawn which, when shot enough, can break, revealing the corpse of a Hiisi inside.


Music that plays here includes:

Track 1 of Noita Official Soundtrack vol. 2 is titled "Kick the Cart!".[1]

Track 6 of Noita Official Soundtrack vol. 2 is titled "Stop for a Brew".[2]

Track 17 of Noita Official Soundtrack vol. 2 is titled "Icy Bowels".[3]

Track 20 of Noita Official Soundtrack vol. 2 is titled "Questionable Excavations".[4]


Hiisi Base shop, found to the right of the biome.
A relatively unscathed Hiisi Bar
A drill with a broken oil chamber.
A sauna containing a Kiuaskivi and a Vihta.
A Hiisi kitchen.
Another Hiisi kitchen.
The Anvil.


  • Apr 8 2024: Added Hornahiisi and Hornasnipuhiisi enemies.
  • Oct 11 2019:
    • Added a landing platform to the biome entrance.
    • Increased the frequency of Parantajahiisi spawns.