We've got a handful of new keywords coming into Hearthstone with the launch of Mercenaries on October 12.

We don't know if any of these keywords will end up carrying over to the "real" game of Hearthstone, but it could make for some interesting new mechanics. Check out all the new keywords down below and let us know how you feel about them in the comments.


Deathblow

Does something when it kills a character.

Here are few examples of this being used in Mercenaries.

Outcast Attack 1 Card Image Splitting Strike 1 Card Image Blood Fervor 1 Card Image


Bleed

Bleeding characters take damage at the end of each turn. Bleeding can be removed by Restoring Health.

Here is an ability that uses Bleed.

Corrosive Spit Card Image


Root

Rooted characters can't Attack.

Here is an ability that uses Root.

Entangling Roots 1 Card Image


Critical Damage

Takes 2X damage from sources.

Here is an ability that uses Critical Damage.

Apocalypse 1 Card Image 


Spell Combo

A bonus if another friendly Merc played a spell of the same school this turn.

No cards use this keyword directly.


Spell Resistances

There are several keywords that deal with spell school resistances. These mean you take x less damage from an ability of that school.

  • Arcane Resistance - Takes {0} less damage from Arcane abilities.
  • Fire Resistance - Takes {0} less damage from Fire abilities.
  • Frost Resistance - Takes {0} less damage from Frost abilities.
  • Nature Resistance - Takes less damage from Nature abilities.
  • Holy Resistance - Takes {0} less damage from Holy abilities.
  • Shadow Resistance - Takes {0} less damage from Shadow abilities.
  • Fel Resistance - Takes {0} less damage from Fel abilities.

The only resistance that is currently referenced on a card in Fire.

Dragon's Skull 1 Card Image


Spell Weaknesses

A spell weakness in Hearthstone means that a target will take extra damage from an ability of that school.

  • Arcane Weakness - Takes {0} more damage from Arcane abilities.
  • Fire Weakness - Takes {0} more damage from Fire abilities.
  • Frost Weakness - Takes {0} more damage from Frost abilities.
  • Nature Weakness - Takes {0} more damage from Nature abilities.
  • Holy Weakness - Takes {0} more damage from Holy abilities.
  • Shadow Weakness - Takes {0} more damage from Shadow abilities.
  • Fel Weakness - Takes {0} more damage from Fel abilities.

The only playable card that references a spell weakness is for Shadow. There are some Mercenary fights that have passive weaknesses though.

Curse of Weakness 1 Card Image


Spell Damage

There are also new keywords which represent spell damage increases but only for one particular school of magic.

  • Arcane Damage - Your character's Arcane abilities deal more damage.
  • Fire Damage - Your character's Fire abilities deal more damage.
  • Frost Damage - Your character's Frost abilities deal more damage.
  • Nature Damage - Your character's Nature abilities deal more damage.
  • Holy Damage - Your character's Holy abilities deal more damage.
  • Shadow Damage - Your character's Shadow abilities deal more damage.
  • Fel Damage - Your character's Fel abilities deal more damage.

Arcane Bolt 1 Card Image Hungry Ice Card Image Blazing Rune 2 Card Image Inquisition 1 Card Image