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Sen'jin Shieldmasta(326)

LegacySen'jin Shieldmasta, a simple minion card. It has 3 Attack, 5 Health and a mana cost of 4.

Attributes are key values which define the power, cost, and survivability of a character, weapon, or location. Attributes of some kind are found on all cards, as well as heroes.

  • Mana cost is the only attribute present on all types of cards, determining how much mana it costs to play that card
  • Attack is present on all minion and weapon cards, determining how much damage they can deal
  • Health and Armor serve to counter damage suffered, determining the survivability of minions and heroes
  • Durability determines the number of times a weapon or location can be used before being destroyed

Attack and Health (or Durability for weapons and locations) are commonly referred to as stats (statistics), and certain effects such as Whispers of the Old GodsDarkspeaker can swap stats between cards. Stats are often presented numerically in the form Attack/Health, and minions are often referred to by their stats. For example a "2/3" is a minion with 2 Attack and 3 Health. Weapons can also be referred to by their stats; a "5/2 weapon" has 5 Attack and 2 Durability. The other attributes, Armor and mana cost, are not considered stats for game purposes, although some players consider mana cost to be a stat.

Attack[]

For the act of attacking, see Attack.

Attack measures a character or weapon's capacity to deal damage, and is found on all minion and weapon cards. The current Attack value is shown in the bottom left, set against a single sword for heroes and minions, or a pair of crossed swords for weapons.

When characters engage in combat, they deal damage to each other equal to their Attack values. Characters with zero Attack (e.g., LegacyShieldbearer, LegacyNat Pagle, or many heroes) cannot be commanded to attack targets, but if their Attack attributes are increased, they immediately become able to attack.

Heroes by default have zero Attack, but can equip weapons and use abilities to grant them an Attack value. Equipping a weapon will automatically increase the hero's Attack by an amount equal to the weapon's Attack, but only during their own turn. Effects such as LegacyHeroic Strike, LegacyDemon Claws or LegacyShapeshift can also increase a hero's Attack, but only temporarily, and only during their own turn. Since heroes have no Attack value on the opponent's turn, they usually deal no damage when attacked, and deal nearly all their damage when attacking. However, their Attack attribute will deal defensive damage if they are somehow attacked on their own turn.

Numerous effects can be used to alter a character's Attack value. Most increase the Attack, either permanently (e.g. LegacyShattered Sun Cleric, LegacyMark of the Wild) or temporarily (e.g. LegacyDark Iron Dwarf, LegacySavage Roar), while a few decrease Attack (e.g. Goblins vs GnomesShrinkmeister) or set it to a specific value (e.g. LegacyHumility, LegacyAldor Peacekeeper). If a character's Attack value would be reduced below 0, 0 is displayed and used instead. For example, using a Shrinkmeister's Battlecry on a ClassicWrath of Air Totem will not result in any change to the Totem's Attack value, and if you then buff it with LegacyAbusive Sergeant's Battlecry the Totem's Attack will still be 0.

Related cards[]

For Wild format listings, see Attack/Wild format

Swipe left or right to see the cards.
TSC 934t3
ETC 076
TTN 920t7
NX2 012
REV 249
RLK 924
CORE EX1 059
TSC 939
ETC 385
TTN 078
TSC 083
CORE EX1 622
RLK 711
RLK 087
TTN 080
TTN 465
ETC 420
REV 250
ETC 305
CORE EX1 005
TTN 483
CORE EX1 197
ETC 384
RLK 537
REV 252t
REV 252
RLK 658
ETC 328
CORE GVG 008
TTN 487
REV 843
TTN 857
ETC 386
TSC 934
ETC 840

Health[]

Main article: Health

Health, sometimes colloquially referred to as life, hit points or HP, is an attribute found on heroes and minions, reflecting the remaining survivability of the character. If a character's Health is reduced to 0 (or lower) that character will be destroyed. Health is displayed at the bottom right corner of each character's card or portrait, set against a red drop of blood.

Unlike other stats, Health has both a current and a maximum value. Taking damage will reduce the current Health value, while healing effects can increase the current value, up to the maximum; enchantments can also change the maximum Health value. Characters below maximum Health are considered "damaged", which can enable certain effects such as Enrage. Each character enters play at maximum Health.

Armor[]

Main article: Armor

Armor is a form of secondary Health available only to heroes, gained through certain spells, Hero Powers and minions. Damage taken will always be deducted from Armor before Health. Only when a character has no armor or is reduced to 0 Armor will they lose Health from a damaging attack. Armor can effectively extend a hero's Health far beyond the 30 points otherwise allowed. Armor is only shown when present, in which case it is shown on the centre right of the hero, just above the Health icon, set against a silver, unbroken shield.

Obtained only through specific effects, Armor is largely unavailable to most classes. It is most strongly associated with the warrior class, followed by the druid class.

Durability[]

Durability is an attribute found on weapons and locations, although it is also displayed on heroes who have weapons equipped. It reflects the number of times that card can be used. For weapons, each time one is used to attack, it will lose one point of Durability. For locations, each time one's ability is used, it will lose one point of Durability. When a weapon or location reaches 0 Durability, it will be destroyed. Durability is shown in place of the Health stat, in the bottom right corner of the card display, on an icon depicting a rent shield.

Weapons[]

On weapons, Durability is only lost when the possessing hero directly attacks a target. Durability therefore is not lost if the possessing hero is attacked during the opponent's turn (since the weapon will not be used), and even in the few cases where it is possible for the hero to be attacked by a minion during their own turn (and the weapon does deal damage), Durability will still not be reduced. This prevents plays such as LegacyMisdirection from punitively sapping a weapon's Durability beyond the player's control.

Certain cards and effects can directly affect a weapon's Durability, such as the warrior spell LegacyUpgrade! and the Pirate minion LegacyBloodsail Corsair's Battlecry, and some weapons such as LegacyEaglehorn Bow and Galakrond's AwakeningThe Fist of Ra-den have such effects built-in. See below for a list.

Durability is not lost if the weapon is Immune. Some cards that prevent durability loss, such as LegacyGorehowl and Knights of the Frozen ThroneRuneforge Haunter, work by granting Immune to the weapon.

Locations[]

On locations, Durability is lost every time the location's ability is successfully used.

Durability on locations is currently only affected or modified by using that location's ability, as there are no cards that affect or relate to a location's durability.

Related cards[]

For Wild format listings, see Durability/Wild format

Swipe left or right to see the cards.
ETC 102
ETC 312
ETC 521
ETC 084
TSC 641tc
MAW 029

Mana cost[]

Main article: Mana cost

Mana cost determines how much mana is required to play a card from the hand, or use a Hero Power. The number is displayed inside a blue crystal in the upper left corner of each card, and at the top of each Hero Power. When a card is played or a Hero Power used, its mana cost is deducted from the player's supply of mana for that turn. Some effects can modify mana costs, although no mana cost can ever be less than zero.

Exchanging stats[]

While each stat is generally quite separate to and unaffected by the other stats, certain effects can allow them to directly influence or be exchanged for each other.

Examples include LegacyCrazed Alchemist, LegacyLightspawn, LegacyGorehowl, Goblins vs GnomesReversing Switch and LegacyInner Fire. Effects such as LegacyInner Rage and LegacyCruel Taskmaster's Battlecry also serve to trade one stat for another.

Notes[]

Stat numbers are able to climb as high as 10 digits, with Attack and Health values as high as 2,147,483,647 recorded in-game.[1][2] Minions have been shown to "reset" to 0 Attack[3] or Health upon exceeding 2 billion by a large enough margin.[4] This is likely due to programming limits to stat sizes: integers are commonly stored with 32 bits, so exceeding 31 bits would cause the number to loop around to negative values. The highest possible Health has indeed been proven to be 231-1 (2,147,483,647),[1] and it is suspected that other attributes have the same maximum. Assuming this is correct, negative Attack or Max Health appear to be displayed as simply 0. In the case of Attack, this hidden negative value can make the attribute appear "stuck" at 0 even when further buffs are applied,[3] since the underlying number is actually far less than 0. Non-positive Health, on the other hand, simply results in the immediate death of the minion.

Aside from the maximum value, other anomalies have been found when Hearthstone does calculations with large stat values. These have been hypothesized to be due to floating-point arithmetic used during some effects, leading to lower precision and the somewhat inaccurate arithmetic that was observed, but also reduced vulnerability to the integer overflow described above.[1]

Patch changes[]

  • Hearthstone logo Patch 1.0.0.4944 (Open beta, 2014-03-11): Minions that freeze a hero by damaging them now always freeze them, even if it only damages armor.

References[]

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