Today's patch had a lot of new stuff in it, including some changes to Hearthstone's Battlegrounds. Here's a quick recap of them:

  • A brand new Armor system!
    • The current hero pool is divided to seven tiers based on their power level.
    • The heroes will gain a variable amount of armor at the start of the game based on their power level.
      • Strongest heroes (Tier 1) will always get 0 Armor.
      • Weakest heroes (Tier 7) will get 7-10 Armor.
  • Tamsin joins the Battlegrounds (she starts at power level Tier 4).
    • 0-cost Hero Power: Start of Combat: Destroy your lowest Health minion. Give its Health to all your others.
  • Buffs to certain Diablo treasures.
  • Balance changes to certain Mechs, Pirates, and Quilboars.
  • Three minion pool updates: Bristleback Knight removed, Mythrax and Thorncaller return.

You can find full details on the upcoming changes in the quote below.

Quote From Blizzard

Battlegrounds Updates

NEW ARMOR SYSTEM

Introducing the Battlegrounds Armor System! Starting in patch 21.8, Battlegrounds heroes will be awarded Armor at the start of each game to help balance and spice up the Tavern. All heroes will get a random amount of Armor from within a range, based on their power levels, with the strongest heroes getting 0 Armor and the weakest heroes being eligible for up to 10 Armor. At launch, these will be the Armor ranges and placements:

Tier 1 Heroes with 0 Armor will be: Arch-Villain Rafaam, Captain Hooktusk, Dancin' Deryl, Diablo, Forest Warden Omu, Fungalmancer Flurgl, Galewing, Jandice Barov, Master Nguyen, Millhouse Manastorm, Mutanus the Devourer, Sneed, Ysera. Tier 2 Heroes with 2-5 Armor will be: Al'Akir, C'Thun, George the Fallen, Kurtrus Ashfallen, Maiev, Shadowsong, Malygos, N'Zoth, The Great Akazamzarak, The Lich King, Xyrella. Tier 3 Heroes with 3-6 Armor will be: Cookie the Cook, Death Speaker Blackthorn, Edwin VanCleef, Lord Barov, Millificent Manastorm, Patches the Pirate, Ragnaros the Firelord, Reno Jackson, Silas Darkmoon, Sir Finley Mrrgglton, Tickatus, Vol'jin, Yogg-Saron, Hope's End. Tier 4 Heroes with 4-7 Armor will be: Deathwing, Galakrond, Greybough, Kael'thas Sunstrider, King Mukla, Nozdormu, Shudderwock, Sindragosa, Tamsin Roame, Trade Prince Gallywix, Zephrys, the Great. Tier 5 Heroes with 5-8 Armor will be: Alexstrasza, Captain Eudora, Dinotamer Brann, Illidan Stormrage, Lord Jaraxxus, Mr. Bigglesworth, Patchwerk, Skycap'n Kragg, Tess Greymane, Y'Shaarj. Tier 6 Heroes with 6-9 Armor will be: Cariel Roame, Chenvaala, Elise Starseeker, Infinite Toki, Overlord Saurfang, Queen Wagtoggle, Rakanishu, The Curator, The Rat King. Tier 7 Heroes with 7-10 Armor will be: A. F. Kay, Aranna, Guff Runetotem, Lich Baz'hial, Pyramad.

Our plan is to review these ranges and placements as part of our Battlegrounds balancing going forward, but we also want to hear your feedback on this new system after you play with it. The system may come in and out of the mode from patch to patch as we refine the system and introduce other new features or major changes.

NEW HERO

Tamsin Roame

  • Fragrant Phylactery [Costs 0]
    • Start of Combat: Destroy your lowest Health minion. Give its Health to all your others.

Tamsin is coming to Battlegrounds!

Players with Battlegrounds Perks will have early access to Tamsin Roame before the Hero is formally released on November 30.

UPDATED HERO

Diablo will be sticking around a little bit longer, so that he can have another chance to make his mark before he goes. To help with that, three of the Diablo Treasures have been changed:

  • Sigil of Hell’s damage has been increased:
    • Tier 1: Old: 1 damage New: 2 damage
    • Tier 2: Old: 3 damage New: 4 damage
    • Tier 3: Old: 6 damage New: 8 damage
    • Tier 4: Old: 12 damage New: 16 damage
  • Claws of Terror’s stat buff has been increased:
    • Tier 1: Old: +2/+2 New: +4/+4
    • Tier 2: Old: +6/+6 New: +8/+8
    • Tier 3: Old: +12/+12 New: +16/+16
  • Hellfire Hooves’s Attack buff has been increased:
    • Tier 1: Old: +1 Attack New: +2 Attack
    • Tier 2: Old: +2 Attack New: +4 Attack
    • Tier 3: Old: +3 Attack New: +8 Attack
    • Tier 4: Old: +6 Attack New: +16 Attack

MINION POOL UPDATES

  • Bristleback Knight has been removed from the minion pool.
  • Mythrax has returned to the minion pool.
  • Thorncaller has returned to the minion pool.

UPDATED MINIONS

Mechano-Tank

  • Old: 6 Attack, 3 Health. Avenge (2): Deal 6 damage to the highest Health enemy minion. New: 5 Attack, 3 Health. Avenge (2): Deal 5 damage to the highest Health enemy minion.

Mechano-Tank is being updated!

Grease Bot

  • Old: After a friendly minion loses Divine Shield, give it +2/+1 permanently. New: After a friendly minions loses Divine Shield, give it +1/+1 permanently.

Grease Bot is being updated!

Scallywag

  • Old: 2 Attack, 1 Health New: 3 Attack, 1 Health

Scallywag is being updated.

Yo-Ho-Ogre

  • Old: 2 Attack, 6 Health New: 3 Attack, 5 Health

Yo-Ho-Ogre is being updated!

Southsea Strongarm

  • Old: Battlecry: Give a friendly Pirate +1/+1 for each Pirate you bought this turn. New: Battlecry: Give a friendly Pirate +1/+1. Repeat for each Pirate you bought this turn.

Southsea Strongarm is being updated!

Ripsnarl Captain

  • Old: 4 Attack, 5 Health New: 4 Attack, 6 Health

Ripsnarl Captain is being updated!

Tony Two-Tusk

  • Old: Avenge (5): Make another friendly Pirate Golden permanently. New: Avenge (4): Make another friendly Pirate Golden permanently.

TonyTwo-Tusk is being updated!

Tough Tusk

  • Old: 4 Attack, 3 Health New: 5 Attack, 3 Health

Tough Tusk is being updated!

Bristleback Brute

  • Old: 4 Attack, 4 Health. The first Blood Gem played on this each turn gives an extra +2/+2. New: 3 Attack, 3 Health. The first Blood Gem played on this each turn gives an extra +3/+3.

Bristleback Brute is being updated!

Dynamic Duo

  • Old: 4 Attack, 5 Health New: 5 Attack, 6 Health

Dynamic Duo is being updated!

Necrolyte

  • Old: Tier 3 New: Tier 4
  • Old: Battlecry: Choose a friendly minion. It steals all Blood Gems from its neighbors. New: Battlecry: Play 2 Blood Gems on a friendly minion. It steals all Blood Gems from its neighbors.

Necrolyte is being updated!

Bug Fixes & Game Improvements

  • Fixed an extremely rare occurrence where a minion’s health could get so large in Battlegrounds it could be deleted from the warband entirely.
  • Fixed a bug where minions that had their Blood Gems stolen by Necrolyte no longer have a +0/+0 enchantment banner.
  • Updated Edwin’s Sharpen Blades Battlegrounds Hero Power text to reflect that it’s restricted to friendly minions.
  • Fixed a bug where Battlegrounds party invites would not send if the receiving player was editing a deck.
  • Fixed a bug where the loading screen wheel would appear zoomed in if a player joined a Battlegrounds party while spectating a game.