CRIT Hit

Critical Hits, abbreviated in-game as CRIT Hits, refers to the random occurrence of an attack dealing increased damage to an opponent.
The probability that an attack will be a Critical Hit is controlled by the CRIT Rate attribute. If the attack is a Critical Hit, the CRIT DMG attribute will determine the multiplier applied:
:\text{DMG}_\text{CRIT} = \text{DMG} \times (1 + \%\text{CRIT DMG})
All characters regardless of quality or weapon start with 5% Base CRIT Rate and 50% Base CRIT DMG. These attributes can be modified by:
*Elemental Resonances
*Talents
*Constellations
*Artifacts
*Weapons
*Food
*Character Ascension Bonuses
If the CRIT Rate is equal to 100% or greater, an attack is guaranteed to be a Critical Hit. If the CRIT Rate is equal to 0% or less, an attack can never be a Critical Hit.
Critical Hits cannot trigger on enemies that are immune to the type of damage dealt or during enemy i-frames.
Critical Hits appear as larger-font numbers on the screen compared to non-crit hits. Another way to tell if you scored a critical hit is to watch the DMG dealt; a critical hit will have damage multiplied.
==CRIT Optimization==
There is a general rule to maximize the product of CRIT DMG and CRIT Rate to maximize the expected DMG.
Let r be the CRIT Rate probability (r\le 1) and d be the CRIT DMG (d \ge 0) in decimal form (for example, 150% CRIT DMG would be d=1.5).
Suppose the DMG is x without CRIT. The expected damage is therefore:
:E(\text{DMG}) = (1-r)x + r(1+d)x = x(1 + rd)
In general, the goal is to maximize this product by making r and d as large as possible. However, by introducing a constraint on the relation between r and d, it is possible to calculate an optimal ratio between the two. The rule of thumb is to aim for a 2:1 ratio between CRIT DMG and CRIT Rate. See Attribute Optimization for full derivations of these results.
==Guaranteed CRIT Hits==
===General===
* Having 100% or more CRIT Rate means that attacks will always critically hit.
* Aimed Shots on an enemy's weak point guarantees a CRIT Hit.
** On Ruin Machines, this is on the exposed cores.
** On most Mystical Beasts and most humanoid enemies (Kairagi, Nobushi, Treasure Hoarders, Fatui, etc.), this is directly on the head.
** On certain enemies, the weak point may be protected until the enemy performs certain actions.
===Constellations===
==CRIT Hit Effects==
These talents, constellations, or weapons apply additional effects when a strike critically hits.
===Talents===
===Constellations===
===Weapons===
==Domains==
* Certain Ley Line Disorders increase the CRIT Rate or CRIT Damage of players:
** Spiral Abyss Floors 7 and 8
* Certain Benedictions of the Abyss increase the CRIT Rate or CRIT Damage of players:
** Character CRIT Rate +8%, CRIT DMG +15%
==Change History==
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