Emergency Heater

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Makes surrounding Operators immune to the Frigid environmental effect.
—Description of operations featuring the Emergency Heater

The Emergency Heater is a static device in Arknights.

Emergency Heaters initially start in an "extinguished" state where it can be attacked by friendly units; when the Heater is attacked, it recovers 5 SP which increases to 30 if the attacker is within the area-of-effect of a lit Heater, but will lose 9 SP every second if not attacked in 1 second. Keep in mind that the Emergency Heater has an aggression level of 1, thus friendly units will attack the Heater over enemies under normal circumstances.

Once the Emergency Heater has full SP, either by attacking it enough or using a Flint on one, it will be "lit up" and friendly units in the surrounding tiles to it becomes immune to Cold and Freeze, while the Heater itself will no longer be attacked by friendlies and loses 9 SP every second, which can be stopped by deploying a friendly unit on the "damper" in the Heater's right side that also causes it to recover 30 SP every second instead; when the lit Heater's SP is depleted, it reverts into the extinguished state and friendly units must wait for 10 seconds before they can attack the Heater to light it up again, but this can be bypassed by using a Flint.

Emergency Heaters always appear in operations that feature the Frigid mechanic which permanently inflicts Cold to friendly units and intermittently Freezes them after they are deployed for some time, thus lighting up Heaters and deploying friendly units around them is a must to ensure that their offensive capabilities are unhindered, and having certain enemies in lit Heaters' area-of-effect also denies the advantages they had on Frigid areas.

Appearances

Emergency Heaters appear in all The Rides to Lake Silberneherze (RS) operations.

Stats

More likely to be attacked by your units; nearby Operators are immune to the Frigid environmental effect
HP ATK DEF RES
40000 334 0 10
DP cost Redeployment time Block count Attack interval
N/A N/A 0 N/A
Addendum
The Emergency Heater has an aggression level of 1.

Skill

Skill-EmergencyHeater.png
Ignite
Auto Recovery
Auto
Effect Initial SP SP cost Duration
When activated, Operators in the 8 tiles surrounding the Emergency Heater become immune to the Frigid environmental effect 0 100

Interactions

Enemy Interaction
Lua error in package.lua at line 80: module 'Dev:Entrypoint' not found.Lua error in package.lua at line 80: module 'Dev:Entrypoint' not found. Attacks deal Physical damage while in a lit Emergency Heater's AoE.
Lua error in package.lua at line 80: module 'Dev:Entrypoint' not found.Lua error in package.lua at line 80: module 'Dev:Entrypoint' not found. Their MSPD is reduced by 70% while in a lit Emergency Heater's AoE.
Lua error in package.lua at line 80: module 'Dev:Entrypoint' not found.Lua error in package.lua at line 80: module 'Dev:Entrypoint' not found. Will enter the thawed state upon entering a lit Emergency Heater's AoE.
Lua error in package.lua at line 80: module 'Dev:Entrypoint' not found.Lua error in package.lua at line 80: module 'Dev:Entrypoint' not found. Their explosion upon defeat will instantly extinguish lit Emergency Heaters caught in the blast.
Lua error in package.lua at line 80: module 'Dev:Entrypoint' not found.Lua error in package.lua at line 80: module 'Dev:Entrypoint' not found. Attacks do not deal splash damage to adjacent targets while in a lit Emergency Heater's AoE.
Lua error in package.lua at line 80: module 'Dev:Entrypoint' not found.Lua error in package.lua at line 80: module 'Dev:Entrypoint' not found. Loses one stack of the +10% DEF and +5 RES buff every 3 seconds while in a lit Emergency Heater's AoE (min. 0).
Lua error in package.lua at line 80: module 'Dev:Entrypoint' not found.Lua error in package.lua at line 80: module 'Dev:Entrypoint' not found. Attacks friendly units on the right side of an Emergency Heater over the others.
Lua error in package.lua at line 80: module 'Dev:Entrypoint' not found.
  • Harold's ranged attack targets friendly units on the right side of an Emergency Heater over the others.
  • For every unlit Emergency Heater on the map, Harold takes 35% less Physical and Arts damage, stacking multiplicatively up to 4 times.
  • Chastising Touch targets one Emergency Heater within range (two in Breakthrough Form) and extinguishes it by dropping a snowball on the Heater.
  • Upon being reduced to 0 HP in Counterpart Form, Emergency Heaters in a radius of 3 tiles (2.5 tiles at Level 1) around Harold will be instantly extinguished.
  • Vapor Rain unleashes one additional icicle for every unlit Emergency Heater on the map.

See also