"Frozen Monstrosity"

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The "Frozen Monstrosity" is a boss enemy in the Integrated Strategies game mode of Arknights. She is one of the three possible final bosses in Ceobe's Fungimist and bonus bosses in Mizuki & Caerula Arbor.

Enemy description
A Sami sacrificant went to the endless tundra to defend against the demons that had invaded her homeland. In the end, she went insane and become a part of the tundra's curse.


Normal attacks and frost rings inflict the Cold status, and increases the Redeployment Time of units that retreat while frozen.

A terrifying Collapsal that is all that remains of a Sami Snowpriest — highly likely to be the one in the "Frost Buck and Snow Doe" tragedy folklore[1] — who, in a fit of irony, ended up warping into one of the very monsters she was fighting against, the Frozen Monstrosity boasts towering DEF and RES that makes her a very tough nut to crack, although its HP and ATK are somewhat lacking when compared to the rest of Ceobe's Fungimist bosses. To further compound her towering defenses, the Frozen Monstrosity's abilities, although they are nearly identical to that of FrostNova's, possess the following differences:

  • The Frozen Monstrosity is invulnerable for 80 seconds after spawning, indicated by a golden aura surrounding her.
  • The Frozen Monstrosity's attacks inflict Cold for 5 seconds.
  • While the Frozen Monstrosity is present, any Operator and summon that leaves the map while Frozen will have their redeployment time doubled.
  • Ice Nova: An ice ring attack similar to that of FrostNova's namesake attack, dealing Arts damage equal to 130% of the Frozen Monstrosity's ATK to friendly units in a radius of 2.6 tiles around her and inflicts Cold for 10 seconds, and deals double damage against Frozen targets or in the event it Freezes one, with a cooldown of 12 seconds.
  • Spawns an Originium Ice Crystal on one of the four tiles on the map (marked by a "T" symbol) with a cooldown of 75 seconds from when the Frozen Monstrosity spawns, until all four have been spawned.
  • When her HP reaches 0 for the first time, the Frozen Monstrosity will survive and revive herself by fully restoring her HP over 6.6 seconds, during which she is invulnerable and disabled. Once revived, the Frozen Monstrosity becomes invulnerable for 30 seconds and had her HP and ATK increased by 50% and 90%, respectively.

The Frozen Monstrosity will deduct no less than 30 Life Points in the event she managed to enter a Protection Objective, which will cause the player to instantly fail the run unless they have at least 31 Life Points.png when this happens!


Integrated Strategies Chilling Curse (Mizuki & Caerula Arbor)Terminus of Life


Attack range 2.4 tiles
Weight 5
Life Point penalty 30


Silence Stun Sleep Freeze Levitate Frighten
Immune Immune Immune Immune Immune Vulnerable


  1. Snow Doe's description: "...for their demise at the hands of a foe as twisted as the 'Frozen Monstrosity'."