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Patch is a Hearthstone patch released on February 15, 2022. It is a major patch, containing the card data for Onyxia's Lair mini-set, updates to Battlegrounds and Arena, Infinite Arcane change to Duels, the first limited-event for Mercenaries and more.

Patch notes[edit | edit source]

Patch 22.4, launching on February 15, includes updates to Battlegrounds, Mercenaries, Duels, Arena, the new Fractured in Alterac Valley Mini-Set, and more!

Onyxia's Lair Mini-Set Launches on February 15!

Things are heating back up after the cold of Alterac Valley! Enter Onyxia's Lair in the Fractured in Alterac Valley Mini-Set, coming February 15! After a year of growth, our heroes are max level and ready to raid with these 35 new cards. Get them in Fractured in Alterac Valley packs, or get the entire 66-card Mini-Set* for $14.99 or 2000 Gold. For the first time ever, we are also offering the option to buy an all-Golden set of all 66 Mini-Set cards for $69.99!

Onyxia's Lair Mini-Set card reveals start today! Follow to catch reveals over the next few days and check out the new cards on the card library afterwards!

4 Legendary Cards (x1), 1 Epic Card (x2), 14 Rare Cards (x2), and 16 Common Cards (x2).

Diamond Vanndar is On His Way!

After a hard-fought battle, the Alliance claimed victory in the Battle for Alterac Valley! To commemorate their victory, all players will receive a free Diamond copy of  Vanndar Stormpike upon login. Remember, even though the battle for Alterac Valley is over, you still have until the end of the Fractured in Alterac Valley expansion cycle to complete your personal event quest chain.

Battlegrounds Updates


 Varden Dawngrasp

  •  Twice as Nice
    • Passive.  After Bob's Tavern is Refreshed, copy and Freeze one of his minions.


  •  Glory of Combat
    • Passive. After a friendly minion kills an enemy, give it +1 Attack permanently.


  •  Broodmother
    • Passive. Avenge (4): Summon a 2/1 Whelp. It attacks immediately.

Players with Battlegrounds Perks will have early access to the three new Heroes before they are formally released on March 1.



 Snow Elemental ( Chenvaala's Buddy)

  • Old: [Tavern Tier 2] New: [Tavern Tier 3]


 Varden's Aquarrior ( Varden Dawngrasp's Buddy)

  • [Tier 2, Elemental] 3 Attack, 5 Health. “Twice as Nice” also gives the copy stats equal to your Tavern Tier.

 Icesnarl the Mighty ( Rokara's Buddy)

  • [Tier 4, Beast] 5 Attack, 2 Health. After a friendly minion kills an enemy, gain +1 Health permanently.

 Many Whelps ( Onyxia's Buddy)

  • [Tier 2, Dragon] 4 Attack, 2 Health. Whenever you summon a Whelp, gain +2/+2 permanently.


Bob is back with another way to add flair and personalization to the Tavern: Battlegrounds Finishers! Battlegrounds Finishers are animations that replace the default Attack animation whenever your Hero wins a round of combat.* Bob's first Finisher, Astral Impact, is a two-stage Finisher. That means that it shows a special animation whenever your Hero wins a round and then an even bigger animation when you deal 15 or more damage to your enemy! Keep a look out for more cool Battlegrounds Finishers in the future.

In addition to the first-ever Finisher, Bob's also bringing two new Battlegrounds Boards to choose from. On February 14, at 1 p.m. Pacific, join ninaisnoob on her YouTube channel for interviews with Cosmetics Production Lead Alicia Cornelia and Features Lead Chadd Nervig about Battlegrounds Finishers and the new boards! The Jade Gardens Battlegrounds Board, pictured above, will be available as soon as the patch launches. All other new Battlegrounds cosmetics, including the Astral Impact Finisher and the Cosmic Study Battlegrounds Board below, will become available starting on February 22.

* Battlegrounds Finishers are equipped globally, so any Hero you use will use your equipped Finisher whenever you win a round of combat. Both players will be able to see the winning player's Finisher at the end of any round of combat.

Mercenaries Updates


Starting on February 22, Mercenaries will be hosting its first-ever limited time event! Complete a chain of 10 exciting event Tasks to harness the power of  Chi-Ji, and strengthen all the August Celestials. Two new Tasks will be available on each of the first 5 days of the event, but you have until March 8 to complete all 10 Tasks. Complete all 10 Tasks to earn the Chi-Ji Epic Mercenary Card, a Chi-Ji Mercenary Portrait, and over 1000 total Mercenary Coins for the new Mercenaries! As you prepare for this event to begin, make your way through all the Alterac Valley Bounties and take special care to strengthen your Beasts and Dragons, which will be essential for some of these Tasks.


 Long'xin (Legendary Caster)

  • Dragon
  • 6/86 Maxed Stats
  • Abilities:
    • Celestial Breath 5 (Arcane): (Speed 7) Deal 19 damage to an enemy. Any excess damage continues right or left.
    • Starfire Blessing 5 (Arcane): (Speed 2, Cooldown 1) For two turns, gain +3 Arcane Damage and “After this Merc is damaged, deal 14 damage to a random enemy.”
    • Among the Stars 5 (Arcane): (Speed 1, Cooldown 1) Give an ally +13 Health and swap places with it. Enemy abilities targeting the Mercs swap targets (if possible).
  • Equipment:
    • Bottle of Infinite Stars 4: Among the Stars gives +4 more Health and also grants Health to your Dragons.
    • Kun-Lai Crystal 4: Among the Stars starts off Cooldown. Passive: +8 Nature Resistance.
    • Band of Bursting Novas 4: Battlecry: Gain +3 Arcane Damage for each of your Beasts and Dragons that has died this game.

 Xuen (Epic Fighter)

  • Beast
  • 9/76 Maxed Stats
  • Abilities:
    • Equalizing Stike 5: (Speed 7) Choose an enemy. Set this Merc's Attack to 5 higher than the target and Attack them.
    • Pounce 5: (Speed 4) Borrow 5 Attack from all friendly characters for 2 turns. Attack an enemy.
    • Tiger Lightning 5 (Nature): Deal this Merc's Attack damage to a random enemy. Deathblow: Gain +5 Attack and repeat this.
  • Equipment:
    • Spear of Xuen 4: Equalizing Stike sets this Merc's Attack to an addition 4 higher than the target.
    • Celestial Chestplate 4: Pounce also steals 5 Attack from a random enemy.
    • Charged Gauntlets 4: Tiger Lightning gives an additional +4 Attack.

 Niuzao (Rare Protector)

  • Beast
  • 10/80 Maxed Stats
  • Abilities:
    • Headbutt 5: (Speed 7) Attack an enemy. If it has higher Attack than this Merc, deal 16 damage to it instead.
    • Bullish Fortitude 5: (Speed 2, Cooldown 1) Gain Taunt and your other characters take 5 less damage for 2 turns.
    • Blessing of the Ox 5 (Arcane): (Speed 3, Cooldown 1) Each time a friendly character is damaged this turn, give them Divine Shield.
  • Equipment:
    • Bullish Belt 4: Bullish Fortitude reduces damage taken by 5 more, but has +1 Cooldown.
    • Helm of Niuzao 4: Passive: -2/+16. After an enemy Attack this Merc, deal 5 damage to them.
    • Talisman of the Ox 4: Passive: After a friendly character loses Divine Shield, this Merc gains +6 Health.

 Yu'lon (Rare Protector)

  • Dragon
  • 8/85 Maxed Stats
  • Abilities:
    • Jade Gust 5 (Nature): (Speed 10) Deal 20 damage to an enemy. If they Attacked this turn, deal 40 damage instead.
    • Jadeflame Buffet 5 (Fire): (Speed 1, Cooldown 1) Block Taunt and Stealth on all other characters for 2 turns. Give your characters +10 Health.
    • [Updated] Enveloping Mist 5 (Nature): (Speed 2, Cooldown 1) Gain Taunt this turn and +3 Nature Damage. Repeat for each other friendly Dragon.
  • Equipment:
    • Jadefire Spear 4: Jadeflame Buffet gives an additional +5 Health.
    • Serpent Pendant 4: Enveloping Mist gives an additional +3 Nature Damage.
    • Pearl of Yu'lon 4: Passive: Your other Dragons take 4 less damage.

 Chi-Ji (Epic Caster)

  • Beast
  • 7/79 Maxed Stats
  • Abilities:
    • Blazing Song 5 (Fire): (Speed 3) Deal 10 damage to an enemy. Gain +3 Heal Power.
    • Inspiring Song 5 (Fire): (Speed 4) Restore 10 Health to all friendly characters.
    • Firestorm 5 (Fire): (Speed 5, Cooldown 1) Deal 5 damage to all enemies, and restore 5 Health to all allies. (Increased by Healing Power.)
  • Equipment:
    • Blazing Band 4: Blazing Song deals 4 more damage and gives an additional +2 Heal Power.
    • Staff of Chi-Ji 4: Inspiring Song restores 10 more Health.
    • Flameheart Crystal 4: Passive: After a friendly Beast is healed, give them +5 Health.

Long'xin, Xuen, Niuzao, and Yu-lon will all be available through all normal ways of acquiring a Mercenary, starting on February 15. Chi-Ji will be earned exclusively through the Chi-Ji event until it is made available through the normal means of acquiring Mercenaries in the next major patch after the event is over.


Six new Bounties will also be added to the Alterac Valley Zone:

The Vanndar Stormpike and Kazakus Bounties will be added to the game after the conclusion of the Chi-Ji event. All other Bounties will be added on February 15, with the launch of the patch.

Duels Update

Arena Rotation

When Patch 22.4 launches on February 15, ongoing Arena runs will end and a new Arena season will begin. The eligible card sets will rotate so that the following sets will make up the Arena card pool:

Book of Mercenaries—Bru'kan

The shaman Bru'kan of the Darkspear clan has done his best to prepare the young Horde mercenaries for the battle ahead, but now the moment has come. The shattered naaru has reformed and its power has resurrected the vengeful warlock Tamsin Roame as a lich! Can Bru'kan tap into the elemental energies of Alterac Valley and summon Lokholar the Ice Lord to end the war and stop Tamsin? Find out when Book of Mercenaries Bru'kan launches on February 15. Defeating all 8 bosses in this linear adventure will award 1 Shaman pack, containing only Shaman cards from Standard.

Bug Fixes & Game Improvements

  • There will now be a confirmation prompt when you attempt to concede a game before you would get quest progress for that game (like “Play 3 Games” Quests and the Alterac Valley Honor Quests). We have also loosened the requirements on counting those types of Quests.
  • When playing  Maestra of the Masquerade, the premium level of Hero Powers will now match the premium level of the Hero (for instance, if you have a Golden Hero, your Hero Power will now be Golden, too), making for much better disguises.
  • A duplicate uncraftable version of  Shadow Bolt will no longer appear in the Collection Manager.
  • Fixed a bug where  Saidan the Scarlet could still get double-buffs from his effect, even after being Silenced.
  • Fixed a bug where certain Mana Ramp cards would not grant Mana Crystals if you played  Wildheart Guff and had between 10 and 20 Mana Crystals.
  • Fixed a bug where playing  Paralytic Poison on  Kingsbane would cause the “Immune when attacking” effect to carry over onto any other weapons equipped during the game.
  • Fixed a bug where the  Diao Chan Valeera Hero Skin would block  Baku the Mooneater's effect from upgrading the player's Hero Power.
  • Fixed a bug where  Lost in the Park (Druid's Questline) would not progress the first time that Attack is gained after equipping  Sphere of Sapience.
  • Updated the priority of several Casts When Drawn cards (including  Fel Rift,  Bleed, and  Olgra, Mankrik's Wife) to match that of cards like Soul Fragments. One result of this change is that  Runed Mithril Rod will now consistently discount the next card drawn after any Cast When Drawn card that activates Rod's effect, instead of the Cast When Drawn card itself.
  • Fixed a bug in Battlegrounds causing  Baby N'Zoth and  Brann Bronzebeard to give an extra activation.
  • Fixed a bug where  Baby Elekk would not trigger for a same-statted minion if the same-statted minion's stats changed when played (such as when another minion is giving an aura stat-buff for that type of minion).
  • Updated the text of all Mercenary Task 7s from “Defeat 2 Heroic Bosses” to “Complete 2 Heroic Bounties.”
  • Fixed a bug that allowed players to place Mercenaries they do not own into the Training Grounds, causing some players to get locked out of the Training Grounds.
  • Fixed a visual bug causing Mercenaries Equipment Unlocks to show as one Task earlier than the actual unlock Tasks.
  • Fixed a bug where  Anduin Wrynn's Task 11 was tracking Damage instead of Healing.
  • Fixed a bug where characters with Windfury could attack through Freeze.
  • Fixed a bug where  Vanessa VanCleef's Shifting Satchels Ability was respecting Taunt even though it's a ranged Ability.
  • The stats of  Eudora's Cannons will now show on Prepare the Cannons and Primed Armaments.
  • Fixed a bug that blocked some players from entering Duels if a previous Duels run ended prematurely.
  • Fixed a bug that sometimes blocked the win/loss record from showing in Duels and Arena.
  • Fixed a bug that sometimes changed a player's Favorited Card Back in a Friend Challenge.
  • Fixed a bug that prevented certain Card Backs from remaining marked as Favorited after logging out.
  •  The Immovable Object has finally been moved! Fixed a bug preventing the “You Are Not Worthy” achievement from tracking progress.
  • Misc. other performance improvements, bug fixes, and visual issues.