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Boil Over is a Teachable Perk IconHelp perks.png unique to Kate Denson SurvivorKate.png.
It can be unlocked for all other Characters from Level 40 onwards:

Icon Cost
BoilOver.gif
2,000
IconHelp iridescentShards.png
5,000
IconHelp bloodpoints.png
4,000IconHelp bloodpoints.png
5,000IconHelp bloodpoints.png
6,000IconHelp bloodpoints.png
Description
You are a battler and do everything to escape a foe's grasp.

While being carried by the KillerIconHelpLoading killer.png, the following effects apply:

  • Increases the intensity of the Struggle Effects on the Killer from your Wiggling by 60/70/80 %.
  • Obscures the AurasIconHelp auras.png of all HooksIconHelpLoading hook.png from the Killer's Aura-reading abilities within 16 metres.
  • Fills your Wiggle Meter by 33 % of your current Wiggle progression upon landing, when the Killer drops from great heights.

"Buck and Wild,
Swing to be free,
Your hands just can't keep ahold of me." — Kate Denson's "Boil Over"

Icon Description
Teachable boilOver.png
Unlocking this Perk makes it available in the Bloodweb of all Survivors
You are a battler and do everything to escape a foe's grasp.

While being carried by the Killer, the following effects apply:

  • Increases the intensity of the Struggle Effects on the Killer from your Wiggling by Several Percent.
  • Obscures the Auras of all Hooks from the Killer's Aura-reading abilities within 16 metres.
  • Fills your Wiggle Meter by 33 % of your current Wiggle progression upon landing, when the Killer drops from great heights.

"Buck and Wild,
Swing to be free,
Your hands just can't keep ahold of me." — Kate Denson's "Boil Over"

May be unlocked in the Shrine of Secrets or in Kate's Bloodweb at Level 40


History

Version 2.0.0

Icon Tier I Tier II Tier III Description
IconPerks boilOver.png 25 %

10 metres

50 %

12 metres

75 %

14 metres

You are a battler and do everything to escape a foe's grasp.

While being carried by the Killer, the following effects apply:

  • Increases the intensity of the Struggle Effects from your Wiggling by 25/50/75 %.
  • Obscures the Auras of all Hooks from the Killer's Aura-reading abilities within 10/12/14 metres.

Version 5.5.0

Icon Tier I Tier II Tier III Description
IconPerks boilOver.png 50 % 75 % 100 % You are a battler and do everything to escape a foe's grasp.

While being carried by the Killer, the following effects apply:

  • Increases the intensity of the Struggle Effects from your Wiggling by 50/75/100 %.
  • Obscures the Auras of all Hooks from the Killer's Aura-reading abilities within 16 metres.
  • Fills your Wiggle Meter by 25 % upon landing, when the Killer drops from great heights.

Version 5.5.2

Icon Tier I Tier II Tier III Description
IconPerks boilOver.png 50 % 75 % 100 % You are a battler and do everything to escape a foe's grasp.

While being carried by the Killer, the following effects apply:

  • Increases the intensity of the Struggle Effects from your Wiggling by 50/75/100 %.
  • Obscures the Auras of all Hooks from the Killer's Aura-reading abilities within 16 metres.
  • Fills your Wiggle Meter by 33 % of your current Wiggle progression upon landing, when the Killer drops from great heights.

Version 5.7.0

Icon Tier I Tier II Tier III Description
IconPerks boilOver.png 60 % 70 % 80 % You are a battler and do everything to escape a foe's grasp.

While being carried by the Killer, the following effects apply:

  • Increases the intensity of the Struggle Effects from your Wiggling by 60/70/80 %.
  • Obscures the Auras of all Hooks from the Killer's Aura-reading abilities within 16 metres.
  • Fills your Wiggle Meter by 33 % of your current Wiggle progression upon landing, when the Killer drops from great heights.


Change Log

Patch 5.5.0

  • Buff: increased the intensity of the Struggle Effects from 25/50/75 % to 50/75/100 %.
  • Buff: increased the Aura-obscuring range from 10/12/14 metres to 16 metres across all Tiers.
  • Buff: added a tertiary effect:
    • Now adds 25 % to the Wiggle Meter if the Killer drops from great heights while carrying the Survivor.

Patch 5.5.2

  • Nerf: changed the tertiary effect to base its Progression bonus on the Survivor's current Wiggle progression, awarding 33 % of it, rather than a blanket bonus of +25 % of the maximum.
    • This change is considered a nerf, as the new resulting bonus is lower than the old 25 % whenever the Survivor's Wiggle progression is below 75 %.

Patch 5.7.0

  • Nerf: (Tiers II & III) reduced the intensity of the Struggle Effects from 50/75/100 % to 60/70/80 %.
    • This change was done due to some Players experiencing significant issues navigating certain Maps, beyond the intended impact of Boil Over.


Calculations

The following calculations give a reference frame of the expected bonus for various example Wiggle progressions:
Initial Progression Calculated Bonus Progression (33 %) Resulting Progression
10 % +3.3 % 13.3 %
15 % +4.95 % 19.95 %
20 % +6.6 % 26.6 %
25 % +8.25 % 33.25 %
30 % +9.9 % 39.9 %
40 % +13.2 % 43.2 %
45 % +14.85 % 59.85 %
50 % +16.5 % 66.5 %
60 % +19.8 % 79.8 %
70 % +23.1 % 93.1 %
75 % +24.75 % 99.75 %
>75 % +>25 % >100 %


Trivia

  • Struggle Effects refer to the Killer's involuntary side-to-side movement (also known as "strafing"), caused by the Survivor wiggling on the Killer's shoulder.
    • Boil Over increases this effect, giving the Killer a harder time to counter the effects with their movement keys, generally leading to more frequent bumping into obstacles, allowing for a greater chance to wiggle free before the Hook is reached.
  • Boil Over overpowers the Struggle Effect reduction of Iron Grasp IconPerks ironGrasp.png.
  • Boil Over only obscures a Killer's Hook Aura-reading during carrying.
    They can still see a nearby Hook's Aura during the pick-up animation.
  • Open-Handed IconPerks open-Handed.png does not increase the distance at which Boil Over obscures Hook IconHelpLoading hook.png Auras.
  • As a Killer, you will see a small Boil Over red icon to the left of your Perks when you are carrying a Survivor with Boil Over equipped.
  • Boil Over's tertiary effect triggers on the same heights that would trigger Balanced Landing IconPerks balancedLanding.png.


Video

Boil Over (up to Patch 5.5.0)

A Survivor wiggling with Boil Over equipped A Survivor wiggling without Boil Over
A Hook's Aura disappearing as the Killer is approaching
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