Derived statistics

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Revision as of 00:06, 27 May 2026 by Faster (talk | contribs) (Added a section on character size)
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Derived statistics, also known as secondary statistics, are attributes based on the character's primary statistics (SPECIAL).

They cannot be modified directly, though some degree of alteration is possible via perks, traits, etc. For example, carry weight capacity is based on Strength and can be lowered by the Small Frame trait or increased by the Strong Back support perk, but you cannot directly add points to it like you would to a SPECIAL attribute during character creation.

Character size

Character size is a percentage value based on how big a character is relative to the baseline. The baseline (100%) is a character with 300 hit points, no traits, and no perks.

Your base character size depends on your role:

Role No role Tank Semi-tank Specialist Damage Dealer Shooter Sneaker
Base character size
70%
65%
75%
70%
60%
80%
90%

Modifiers

  • Character size scales with hit points at a rate of +0.1% per 1 HP, capped at +60% (600 HP)
  • The Bruiser trait increases your character size by 20%
  • Infantry (class perk) receives a 30% boost to character size
  • Adrenaline Rush (level perk) grants +0.2% character size for every 1% of max HP that you have lost
  • Pyro! (perk synergy) increases your character size by +40%
  • Small Frame (trait) reduces character size by 15%
  • Livewire (level perk) reduces character size by 5%
  • Armor King (perk synergy) reduces character size by 15%
  • Paramedic (class perk) suffers a 10% reduction to character size

Interactions

  • Quick Fingers (perk synergy) adds 20% to your damage multiplier if you are smaller than your target
  • Tank (perk synergy) adds 10% to your damage multiplier if the target is smaller than you
  • Bonus HtH Speed (perk synergy) grants 0.3% more movement speed for every 1% of character size above 100%
  • Pyromaniac grants 2% more fire damage per 1% of size difference if the target is smaller than you
  • Cybernetic Eye grants 1% more damage per 1% of size difference against targets bigger than you (aimed attacks only)