Action

In Guild Wars, an action is considered any attack or use of a skill. The only skills that can affect any action are also interrupts.

Interrupts that affect any action

Icon	Name	Description						Prof.	Attribute	Campaign
	Agonizing Chop	Axe Attack. Deals +5...17...20 damage. Interrupts an action if target foe has a Deep Wound.	6	0	01.001	0		warriora	Axe MasteryZ	Nightfall
	Anthem of Disruption	Chant. (1...8...10 seconds.) Allies in earshot interrupt an action with their next attack skill.	0	1010	01.001	01515		paragona	CommandZ	Eye of the North
	Anthem of Disruption (PvP)	Chant. (1...8...10 seconds.) Allies in earshot interrupt an action with their next attack skill.	0	1010	02.002	01515		paragona	CommandZ	Eye of the North
	Blinding Snow	Spell. Interrupts an action. Also inflicts Blindness (10 seconds.)	0	0	00.250.25¼	01010		mesmera	Z	Core
	Choking Breath	Skill. Interrupts target and adjacent foes. Causes knock-down (4 seconds) to any foe casting a spell.	0	055	01.001	0011		a	Z	Nightfall
	Disarm	Sword Attack. Interrupts target foe. Interruption effect: disables this foe's attack skills (0...2...3 second[s]) if that action was an attack.	0	055	00.500.5½	02020		warriora	StrengthZ	Eye of the North
	Disrupting Accuracy	Preparation. (36 seconds.) Interrupts an action whenever your arrows critical.	0	055	02.002	01212		rangera	MarksmanshipZ	Nightfall
	Disrupting Chop	Axe Attack. Interrupts an action. Interruption effect: interrupted skill is disabled for +20 seconds.	6	0	0	0		warriora	Axe MasteryZ	Core
	Disrupting Shot	Bow Attack. Interrupts an action. Interruption effect: +10...34...40 damage if you interrupt a skill.	0	1010	00.500.5½	01515		rangera	MarksmanshipZ	Eye of the North
	Disrupting Stab	Lead Attack. Interrupts an action. If the interrupted action was a spell, it is disabled (3...9...10 seconds).	0	055	0	01010		assassina	Dagger MasteryZ	Factions
	Disrupting Throw	Spear Attack. Interrupts actions. No effect unless target has a condition.	0	055	00.500.5½	01010		paragona	Spear MasteryZ	Nightfall
	Dissonance	Binding Ritual. Creates a level 1...10...12 spirit (10...22...25 second lifespan). Its attacks deal 5...17...20 damage and interrupt actions.	0	2525	01.001	04545		ritualista	CommuningZ	Factions
	Dissonance (PvP)	Binding Ritual. Creates a level 1...7...8 spirit (10...22...25 second lifespan). Its attacks deal 5...17...20 damage and interrupt actions.	0	2525	055	04545		ritualista	CommuningZ	Factions
	Distracting Blow	Melee Attack. Also attacks foes adjacent to your target. Interrupts an action. Hits for no damage.	0	055	00.500.5½	01010		warriora	Z	Core
	Distracting Shot	Bow Attack. Interrupts an action. Interruption effect: interrupted skill is disabled for +20 seconds. Hits for only 1...13...16 damage.	0	055	00.500.5½	01010		rangera	ExpertiseZ	Core
	Distracting Strike	Melee Attack. Interrupts an action. Interruption effect: Disables interrupted skill (20 seconds) if target foe has Cracked Armor. Deals no damage.	0	055	00.500.5½	01515		warriora	Z	Eye of the North
	Dwarven Battle Stance	Elite Stance. (5...10...11 seconds.) You attack 33% faster, you gain +40 armor, and your attack skills interrupt actions. No effect unless you have a hammer equipped.	0	055	0	02020		warriora	StrengthZ	Prophecies
	Exhausting Assault	Dual Attack. Interrupts an action. Inflicts 10 Overcast if the interrupted action was a spell. Must follow a lead attack.	0	055	00.500.5½	0088		assassina	Dagger MasteryZ	Factions
	Keystone Signet	Elite Signet. (20 seconds.) Your next 0...5...6 signet[s] interrupt [sic] and deal 15...51...60 damage to other foes adjacent to your target. Initial Effect: [sic] recharges all of your other signets.	0	0	01.001	01515		mesmera	Fast CastingZ	Prophecies
	Leech Signet	Signet. Interrupts an action. Interruption effect: you gain 3...13...15 Energy if the action was a spell.	0	0	00.250.25¼	03030		mesmera	Inspiration MagicZ	Core
	Lightbringer's Gaze	Skill. Target demonic servant of Abaddon takes 100 holy damage and is interrupted. Hits one additional foe in the area for each rank of Lightbringer you have attained. This skill is disabled (15 seconds).	0	055	01.001	01515		a	Lightbringer rankZ	Nightfall
	Lyssa's Assault	Scythe Attack. Interrupts an action. If you are enchanted, the interrupted skill is disabled for an additional 1...8...10 second[s]. This attack does 50% of normal damage.	0	055	00.500.5½	01515		dervisha	Scythe MasteryZ	Nightfall
	Lyssa's Haste	Flash Enchantment Spell. (3...13...15 seconds.) Your Dervish enchantments recharge 33% faster. Initial Effect: interrupts all adjacent foes. End Effect: interrupts all adjacent foes. 50% failure chance unless Wind Prayers 5 or higher.	0	1010	0	01515		dervisha	Wind PrayersZ	Nightfall
	Lyssa's Haste (PvP)	Flash Enchantment Spell. (3...13...15 seconds.) Your Dervish enchantments recharge 33% faster. Initial Effect: interrupts all adjacent foes. End Effect: interrupts all adjacent foes. 50% failure chance unless Wind Prayers 5 or higher.	0	1010	0	02525		dervisha	Wind PrayersZ	Nightfall
	Magebane Shot	Elite Bow Attack. Interrupts an action. Interruption effect: an interrupted spell is disabled for +10 seconds. Unblockable.	0	1010	00.500.5½	0055		rangera	Z	Nightfall
	Panic	Elite Hex Spell. Also hexes foes near your target (1...8...10 second[s]). Interrupts all other nearby foes whenever a hexed foe successfully activates a skill.	0	1010	01.001	01515		mesmera	Domination MagicZ	Prophecies
	Psychic Instability	Elite Spell. Interrupts an action. Interruption effect: if the action is a skill, cause knockdown for 2...4...4 seconds on target foe and all nearby foes. 50% failure chance unless Fast Casting 5 or higher.	0	055	00.250.25¼	01212		mesmera	Fast CastingZ	Factions
	Psychic Instability (PvP)	Elite Spell. Interrupts an action. Interruption effect: if the action is a skill, causes knockdown for 2...3...3 seconds on target foe and all adjacent foes. 50% failure chance unless Fast Casting 5 or higher.	0	055	00.250.25¼	01212		mesmera	Fast CastingZ	Factions
	Punishing Shot	Elite Bow Attack. Deals +10...18...20 damage. Interrupts an action.	0	1010	00.500.5½	0055		rangera	MarksmanshipZ	Prophecies
	Savage Shot	Bow Attack. Interrupts an action. Interruption effect: deals +13...25...28 damage if action was a spell.	0	1010	00.500.5½	0055		rangera	MarksmanshipZ	Core
	Savage Slash	Sword Attack. Interrupts an action. Interruption effect: deals +1...32...40 damage if action was a spell.	0	055	00.500.5½	01515		warriora	SwordsmanshipZ	Core
	Shivers of Dread	Hex Spell. (10...34...40 seconds.) Cold damage interrupts target foe's skills. Interruption cost: you lose 10...6...5 Energy or this hex ends.	0	1010	02.002	01515		necromancera	CursesZ	Factions
	Simple Thievery	Elite Spell. Interrupts an action. Interruption effect: If a skill was interrupted, that skill is disabled and Simple Thievery becomes that skill (5...17...20 seconds).	0	1010	00.250.25¼	01010		mesmera	Domination MagicZ	Nightfall
	Skull Crack	Elite Melee Attack. Interrupts an action. Inflicts Dazed condition (10 seconds) if target is casting a spell.	9	0	00.500.5½	0		warriora	Z	Prophecies
	Spinal Shivers	Hex Spell. (10...34...40 seconds.) Cold damage interrupts target foe's skills. Interruption cost: you lose 10...6...5 Energy or Spinal Shivers ends.	0	1010	02.002	01515		necromancera	CursesZ	Prophecies
	Warmonger's Weapon	Weapon Spell. (3...11...13 seconds.) Attacks interrupt an action. Does not interrupt attacking foes.	0	1010	01.001	03030		ritualista	Channeling MagicZ	Nightfall