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In Star Trek Online, a critical hit is a hit on an enemy that deals additional damage. The critical hit mechanic consists of two components:

  1. Critical Hit Chance, the chance that an attack can deal additional damage. Improved by the Weapon Specialization space skill, and the modifiers [CritH] or [CrtH] on weapons.
  2. Critical Hit Severity, which determines how much additional damage is dealt by a critical hit. Improved by the Weapon Amplification space skill, and the modifiers [CritD] or [CrtD] (for "Critical Damage") on weapons.
  • On the ground, both Critical Chance and Critical Severity are boosted by the Weapon Criticals skill. Some items, ground and space, have a special [CritX] or [CrtX] modifier that boosts both.

Players start with a base Critical Chance of 2.5% and a Critical Severity of +50%, in both ground and space, meaning you have a 2.5% chance of dealing 150% damage.

Modifiers[]

Aside from the aforementioned skills, many other items and traits in the game can improve Critical Chance, Critical Severity, or both. For example, on the ground, kit frames can have [WpnCrit] or other modifiers, some Body Armors have integrated Critical boosts, and Armored Environmental Suits can receive [CrtD] and/or [CrtH] modifiers. In space, many consoles (below) and set bonuses (to be done) grant additional Critical Chance or Severity. See the Weapon Criticals, Weapon Specialization and Weapon Amplification pages for lists of these things.

Several ground weapons and ship weapons have effects that are triggered either on scoring a critical hit, or passively improve your own Critical Hit Chance or Crit Severity. An [Antiproton Stun Pistol] or [Antiproton Beam Array], for example, has an innate +20% to Critical Severity.

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+Critical Chance/Severity consoles
Category Icon Console name Effects
Mission
Console - Science - Temporal Disentanglement Suite icon
Very rare icon
Temporal Disentanglement Suite
 Part of a set (Krenim Temporal Manipulation).
+0-2.5% Critical Chance
+0-10% Critical Severity
based on Auxiliary Power level
Reputation system
Console - Universal - Assimilated Module icon
Very rare icon
Assimilated Module
 Part of a set (Omega Adapted Borg Technology Set).
+0.92% Critical Chance
+9.2% Critical Severity
Console - Tactical - Lorca's Custom Fire Controls icon
Very rare icon
Lorca's Custom Fire Controls
 Part of a set (Lorca's Ambition).
+3% Critical Chance
Console - Universal - Zero Point Energy Conduit icon
Very rare icon
Zero Point Energy Conduit
 Part of a set (Romulan Singularity Harness).
+1.8% Critical Chance
Lobi store
Altamid Modified Swarm Processor icon
Veryrare icon
Altamid Modified Swarm Processor
 Part of a set (Altamid Adaptation).
+3% Critical Chance
Console - Universal - Bioneural Infusion Circuits icon
Rare icon
Bioneural Infusion Circuits
 Part of a set (Silent Enemy).
+15.2% Critical Severity
Console - Tachyokinetic Converter icon
Rare icon
Tachyokinetic Converter
 Part of a set (Temporal Warfare).
+0.76% Critical Chance
+7.6% Critical Severity
Lock box
Console - Universal - Approaching Agony icon
Epic icon
Approaching Agony
 Obtained from the Emperor's Lock Box.
+1.5% Critical Chance
Console - Universal - Delphic Tear Generator icon
Epic icon
Delphic Tear Generator
 Stand-alone console.
+5% Critical Severity
Console - Universal - Sensor Burnout icon
Epic icon
Sensor Burnout
 Stand-alone console.
+1.5% Critical Chance
Starship
Console - Universal - Enhanced Soliton Wave Generator icon
Epic icon
Enhanced Soliton Wave Generator
 Part of a set (Exotic Particle Generators).
+6.3% Critical Severity with Exotic Damage
Console - Universal - Ambush Gateway Generator icon
Epic icon
Ambush Gateway Generator
 Part of a set (Herald Tactics).
+1% Critical Chance
Console - Universal - Battle Module 4000 icon
Epic icon
Battle Module 4000
 Part of a set (Expedited Delivery).
+1% Critical Chance
Console - Universal - Bombing Run icon
Epic icon
Bombing Run
 NOT limited to a any ship. Stand-alone console.
+2.5% Critical Chance
with Projectile Weapons
Console - Universal - Chroniton Fragmentation Warhead Launcher icon
Epic icon
Chroniton Fragmentation Warhead Launcher
 Part of a set (Delphic Particle Accelerators).
+1% Critical Chance
Console - Universal - Decentralized Immunity icon
Epic icon
Decentralized Immunity
 NOT limited to a any ship. Stand-alone console.
+12% Critical Severity
(scales with Exotic Particle Generators skill)
Console - Universal - Dominion Defense Screen icon
Epic icon
Dominion Defense Screen
 Part of a set (Dominion Console).
+1.2% Critical Chance
+12.5% Critical Severity
Console - Universal - Dominion Targeting Synchronizer icon
Epic icon
Dominion Targeting Synchronizer
 NOT limited to a any ship. Part of a set.
+2.5% Critical Chance
with Projectile Weapons
Console - Universal - Enhanced Breen Energy Dissipator icon
Epic icon
Enhanced Breen Energy Dissipator
 Part of a set (Hypercooled Technology).
+1% Critical Chance
Console - Universal - Enhanced Dominion Coordination Protocol icon
Epic icon
Enhanced Dominion Coordination Protocol
 NOT limited to a any ship. Part of a set.
+8% Critical Severity
Console - Universal - Enhanced Dynamic Tactical System (Federation) icon
Epic icon
Enhanced Dynamic Tactical System (Federation)
 Stand-alone console.
+12% Critical Severity
Console - Universal - Harasser Probes icon
Epic icon
Harasser Probes
 Part of a set (Vorgon Weapon Expertise).
+8% Critical Severity
Console - Universal - I.F.F. Manipulator icon
Epic icon
I.F.F. Manipulator
 Stand-alone console.
+10% Critical Severity
with Directed Energy Weapons
Console - Universal - Incremental Phase Cloaking Device icon
Epic icon
Incremental Phase Cloaking Device
 Part of a set (Starfleet Assault Cruiser Technology).
+1% Critical Chance
Console - Universal - Interphasic Rift Generator icon
Epic icon
Interphasic Rift Generator
  NOT bound to the Mirror Constitution Warship.
+15% Critical Severity
Console - Universal - Isometric Dispersal Array icon
Epic icon
Isometric Dispersal Array
 Part of a set (Alliance Multi-Mission Systems).
+8% Critical Severity
Console - Universal - Linked Command Matrix icon
Epic icon
Linked Command Matrix
 NOT limited to a any ship. Part of a set.
+2.5% Critical Chance
with Energy Weapons
Console - Universal - Miradorn Sensor Baffler icon
Epic icon
Miradorn Sensor Baffler
 Part of a set (Privateer Weapon Modifications).
+1.5% Critical Chance
Console - Universal - Photonic Cannon icon
Epic icon
Photonic Cannon
 NOT limited to a any ship. Stand-alone console.
+15% Critical Severity
with Exotic Damage
Console - Universal - Plasma Discharge Array icon
Epic icon
Plasma Discharge Array
 Part of a set (Na'kuhl Plasma Technologies).
+1% Critical Chance
Console - Universal - Power Dispersal Channel icon
Epic icon
Power Dispersal Channel
  NOT limited to a any ship. Part of a set.
+10% Critical Severity
Console - Universal - Protomatter Barrage Launcher icon
Epic icon
Protomatter Barrage Launcher
 Part of a set (Shell Shock Set).
+10% Critical Severity
Console - Universal - Sensor Suspension Burst icon
Epic icon
Sensor Suspension Burst
 NOT limited to any ship. Stand-alone console.
+2.9% Critical Chance
Console - Universal - Sheshar Assault Craft icon
Epic icon
Sheshar Assault Craft
 Part of a set (Improved Crescent Wave Cannon).
+8% Critical Severity
Console - Universal - Temporal Distress Beacon icon
Epic icon
Temporal Distress Beacon
 Part of a set (Na'kuhl Plasma Technologies).
+12% Critical Severity
Console - Universal - Timestream Rift Warhead icon
Epic icon
Timestream Rift Warhead
 Stand-alone console.
+8% Critical Severity
Console - Universal - Weaponized Helical Torsion icon
Epic icon
Weaponized Helical Torsion
 NOT limited to a any ship. Stand-alone console.
+15% Critical Severity
Console - Universal - Wing Torpedo Platforms icon
Epic icon
Wing Torpedo Platforms
 Part of a set (Allied Dogfighters).
+2.5% Crt Chance with Projectile W.
+20% Crt Severity with Projectile W.
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