Precision

Precision is a primary character attribute. It is used to calculate the derived attribute  Critical Chance, which determines the character's chance of a critical hit against targets at the same level. The real chance to land critical hits is thus determined on a per-target basis; your chance of a critical hit is higher than displayed against targets below your level, but lower against targets above your level.

At level 80, the formula relating Precision to Critical Chance via the Hero Panel is:

Critical Chance = (Precision - 895) / 21

In other words, Critical Chance is 0% when Precision is 895, and increases by 1% for every 21 Precision above that. Since the minimum value of Precision at level 80 is 1000, this means the minimum Critical Chance at level 80 is 5.0%. From the above equation, it follows 2995 precision is enough to reach the cap of 100% crit chance. This does not take into account flat critical chance effects such as fury and Sigil of Accuracy.

At other levels, the amount of Precision required to increase Critical Chance by 1% increases as you level, in a piecewise-linear fashion - increasing by 0.1 from levels 1-20, 0.2 from 21 to 40, 0.3 from 41 to 60, and 0.4 from 61 to 80.

level		level		level		level		level		level		level		level
1	1.1	11	2.1	21	3.2	31	5.2	41	7.3	51	10.3	61	13.4	71	17.4
2	1.2	12	2.2	22	3.4	32	5.4	42	7.6	52	10.6	62	13.8	72	17.8
3	1.3	13	2.3	23	3.6	33	5.6	43	7.9	53	10.9	63	14.2	73	18.2
4	1.4	14	2.4	24	3.8	34	5.8	44	8.2	54	11.2	64	14.6	74	18.6
5	1.5	15	2.5	25	4.0	35	6.0	45	8.5	55	11.5	65	15.0	75	19.0
6	1.6	16	2.6	26	4.2	36	6.2	46	8.8	56	11.8	66	15.4	76	19.4
7	1.7	17	2.7	27	4.4	37	6.4	47	9.1	57	12.1	67	15.8	77	19.8
8	1.8	18	2.8	28	4.6	38	6.6	48	9.4	58	12.4	68	16.2	78	20.2
9	1.9	19	2.9	29	4.8	39	6.8	49	9.7	59	12.7	69	16.6	79	20.6
10	2.0	20	3.0	30	5.0	40	7.0	50	10.0	60	13.0	70	17.0	80	21.0

Related skills

Utility skills that increase precision

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   Banner of Discipline
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   Signet of Fury
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   Signet of Agility
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   Conjure Lightning Hammer (while wielding Lightning Hammer)
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   Signet of Fire

Related traits

Traits that increase precision

•  Spotter — Increases precision of nearby allies.
•  Be Quick or Be Killed — Gain quickness when marking a foe. Your power and precision are increased while under this effect.

Traits that benefit from precision

•  Wounding Precision — Gain Expertise based on your precision.
•  Blood Reaction — A percentage of precision is given as a bonus to ferocity. This bonus is double in berserk mode.
•  Practiced Tolerance — Gain ferocity based on your precision.
•  Ferocious Winds — Gain ferocity based on your precision.
•  Target the Weak — Increases critical-hit chance for each condition on your foe. Gain condition damage based on your precision.

Related equipment

Equipment prefixes that increase precision

This table lists prefixes that have Precision as their major attribute. For other prefixes that affect Precision, see the full listing at attribute combinations.

Prefix	Major attribute(s)	Minor attribute(s)
Captain	Precision	Power  Toughness
Assassin	Precision	Power  Ferocity
Rampager	Precision	Power  Condition Damage
Commander	Power  Precision	Toughness  Concentration
Marauder	Power  Precision	Vitality  Ferocity
Seraph	Precision  Condition Damage	Healing Power  Concentration
Diviner	Power  Concentration	Precision  Ferocity

• For trinkets and jewels, Captain is equivalent to Emerald, Assassin is equivalent to Opal, and Rampager is equivalent to Coral. Commander is equivalent to Burl, Marauder is equivalent to Ebony.

Upgrade components that increase precision

• Sigil of Perception
• Coral Chunk, Coral Tentacle, Coral Orb
• Emerald Shard, Emerald Crystal, Emerald Orb
• Opal Shard, Opal Crystal, Opal Orb
• Ruby Shard, Ruby Crystal, Ruby Orb

See also: list of runes that increase precision

Related consumables

Food Items that increase precision

Req. Level	Name	Precision	Duration (Minutes)	Other Effect(s)
5	Bowl of Vegetable Stock	20	15	+10 experience from kills
20	Bowl of Tomato Soup	30	15	+10 experience from kills
30	Bowl of Kale Soup	50	30	+40 Vitality, +10 experience from kills
30	Chocolate Chip Cookie	40	30	+50 Healing, +10 experience from kills
60	Minotaur Steak	60	60	+50 Ferocity, +10% experience from kills
75	Bowl of Artichoke Soup	80	30	+60 Vitality, +10 experience from kills
80	Bowl of Curry Pumpkin Soup	100	30	+70 Vitality, +10 experience from kills
80	Bowl of Curry Butternut Squash Soup	100	30	+70 Ferocity, +10% experience from kills
80	Bowl of Fancy Potato and Leek Soup	100	30	+70 Condition Damage, +10% experience from kills
80	Bowl of Fire Meat Chili	70	30	+15% Burn duration, +10 experience from kills
80	Bowl of Truffle Ravioli	70	30	+100 Toughness, +10 experience from kills
80	Bowl of Truffle Risotto	70	30	+100 Condition Damage, +10 experience from kills
80	Fancy Truffle Burger	70	30	+15% Poison duration, +10% experience from kills
80	Omnomberry Pie	70	30	66% chance to steal life on critical, +10% experience from kills
80	Plate of Truffle Steak	70	30	+100 Power, +10% experience from kills
80	Saffron Stuffed Mushroom	70	30	+200 Condition Damage for 30 seconds on a kill, +10% experience from kills
80	Spicy Chocolate Cookie	70	30	+100 Healing, +10 experience from kills
80	Winterberry Pie	70	45	66% chance to steal life on critical, +10% experience from kills, +30 Magic Find

Utility Items that increase Precision

Item	+Precision	Other Effects	Duration
Lump of Crystallized Nougat	+100 Precision on reviving an ally	+100 Toughness, Condition Damage +10% Experience from kills.	30 minutes
Sharpening Skull	+75 Precision on reviving an ally	+75 Power, Toughness, Vitality, Healing Power, Ferocity, and Condition Damage +10% Experience from kills.	30 minutes
Writ of Basic Accuracy	Gain 40 Precision when health above 90%	+10% Experience from kills.	30 minutes
Writ of Accuracy	Gain 60 Precision when health above 90%	+10% Experience from kills.	30 minutes
Writ of Studied Accuracy	Gain 100 Precision when health above 90%	+10% Experience from kills.	30 minutes
Writ of Calculated Accuracy	Gain 120 Precision when health above 90%	+10% Experience from kills.	30 minutes
Writ of Learned Accuracy	Gain 160 Precision when health above 90%	+10% Experience from kills.	30 minutes
Writ of Masterful Accuracy	Gain 200 Precision when health above 90%	+10% Experience from kills.	30 minutes

Related World versus World effects

Guild Claiming

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   Objective Aura 5: Precision (effect) — Precision +100
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   Presence of the Keep (effect) — Precision +100

Borderlands Bloodlust

•  Minor Borderlands Bloodlust Minor Borderlands Bloodlust — Precision +30
•  Major Borderlands Bloodlust Major Borderlands Bloodlust — Precision +50
•  Superior Borderlands Bloodlust Superior Borderlands Bloodlust — Precision +60

Notes

• During the beta phase this attribute was called Perception and increased the chance to perform a critical hit.

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Attributes

Primary	Power	Precision Critical Chance
	Toughness Armor	Vitality Health
Secondary	Concentration Boon Duration	Condition Damage	Expertise Condition Duration
	Ferocity Critical Damage	Healing Power
Profession	Guardian	Warrior
	Engineer	Ranger	Thief
	Elementalist	Mesmer	Necromancer
Special	Agony Resistance	Gold Find	Karma Gain
	Magic Find	XP Gain