Hearthstone Blackrock Molten Core Decks Boss Strategy Guide

By   /   Apr 15, 2015

The second wing of the Blackrock Mountain singleplayer campaign in Hearthstone is called the Molten Core, and presents in it formidable bosses that utilize the power of fire and magma based spells and minions.

It is a challenging wing, but an astute tactician should be able to handle the bosses that lurk in this wing fairly easily.

Hearthstone Blackrock Molten Core Decks Boss Strategy

Our guide will cover the three boss fights that you need to beat in order to progress to the wing. We’ll cover both Normal and Heroic modes, and also give general suggestions of which cards and decks suit which fight.

Garr

Decks

Normal

  • 1x Flamewaker
  • 2x Axe Flinger
  • 2x Bloodlust
  • 2x Core Hound
  • 2x Dark Iron Dwarf
  • 2x Druid of the Flame
  • 2x Fire Elemental
  • 2x Fireguard Destroyer
  • 2x Lava Shock
  • 2x Madder Bomber
  • 2x Mark of the Wild
  • 2x Rockbiter Weapon
  • 2x Unbound Elemental
  • 2x Volcanic Lumberer
  • 3x Rock Out

Heroic

  • 2x Axe Flinger
  • 2x Bloodlust
  • 2x Dark Iron Dwarf
  • 2x Druid of the Flame
  • 2x Earth Elemental
  • 2x Fire Elemental
  • 2x Fireguard Destroyer
  • 2x Lava Shock
  • 2x Madder Bomber
  • 2x Mark of the Wild
  • 2x Rockbiter Weapon
  • 2x Unbound Elemental
  • 3x Rock Out
  • 3x Volcanic Lumberer

Heroic Power

Normal/Heroic: Magma Pulse – Costs 1 mana and deals 1 damage to all minions on the board as an auto-cast. Garr starts with 7x Firesworn on the board. In Heroic mode, Firesworn deal 3 damage instead of 1.

Boss Strategy
In normal mode, Garr is a relatively simple boss. The only real thing you need to look out for are his Firesworns, which upon dying collectively can deal up to 7 damage to you. It’s a manageable amount of damage, but it’s best to get these minions out of the way.

You want to play this boss like chess: look for board control and use lots of early-curve minions to overwhelm the Firesworns and take care of them one by one. It’ll deal damage to you, but by the time all of them are gone, you’ll have enough dominance to take the boss out. A freeze-based Mage deck with basic cards works wonderfully well against Garr in Normal mode.

In Heroic mode, things are more complicated. The Firesworns deal 3 damage instead of 1 upon death, which means that if Garr uses his Heroic Power early on, he can deal 21 damage to you. This is pretty bad.

The best way to counter this is using the wonderful Mass Dispel card if you have it. Additionally, you’ll want high-quality minions that will be able to keep board domination.

A couple that come immediately to mind are Acolyte of Pain and Grim Patron. It is also recommended to use a healing based deck if you’re finding the destruction of the Firesworns overwhelming, though that won’t be necessary if you have the Mass Dispel card.

If you don’t have the card, consider a Warrior or Priest deck with plenty of armor/healing capabilities. This should prove sufficient to tank through the Firesworns and tackle Garr head-on.

Baron Geddon

Deck

  • 2x Druid of the Flame
  • 2x Fire Elemental
  • 2x Fireguard Destroyer
  • 2x Flameheart
  • 2x Flamewaker
  • 2x Hellfire
  • 2x Imp Gang Boss
  • 2x Lava Burst
  • 2x Lava Shock
  • 2x Magma Rager
  • 2x Molten Giant
  • 3x Flame Imp
  • 5x Living Bomb

Heroic Power

Normal: Ignite Mana – Auto-cast that deals 5 damage to hero if they have unspent mana.
Heroic: Ignite Mana – Auto-cast that deals 10 damage to hero if they have unspent mana.

Boss Strategy
Baron Geddon is a straightforward boss fight that is made challenging because of two things. The first is its annoying Hero Power. You’ll need to do a bit of pre-planning before going into this battle.

Use cheap cards and construct a deck with a fairly consistent mana curve to make sure that in every turn you are spending all your available mana.

The second problem comes in the form of Living Bomb. In Normal, this annoying card will deal 5 damage to everyone provided a minion still manages to live till the next turn after it has been selected by the card.

In Heroic difficulty, this damage goes all the way up to 10. That’s not pretty. Using a dispel or silence card is probably the most important part of this battle alongside the full mana consumption.

In Heroic mode you will also have to endure a much longer battle – the boss will have 50 HP and a combined total of around 100 HP in this mode, meaning you’ll have to deal with its Heroic Power and Living Bombs for a much longer period.

The best class to use against the Baron in Heroic difficulty is the Warlock. This will allow you to consistently consume your mana regularly and the Heroic Power for the class is particularly useful.

Having a legendary card like the Kel’Thuzad can be a life-saver in Heroic mode. Overall, the only main worry should be the mana consumption.

Just make sure that you consume all your mana, and try to get rid of the Living Bombs as quickly as possible to ensure an otherwise simple fight.

Majordomo Executus and Ragnaros the Firelord

Deck

  • 10x Molten Giant
  • 2x Core Hound
  • 2x Core Rager
  • 2x Fire Elemental
  • 2x Fireball
  • 2x Fireguard Destroyer
  • 2x Flame Imp
  • 2x Flamewaker
  • 2x Lava Burst
  • 2x Lava Shock
  • 2x Magma Rager

Heroic Power

Executus: Costs 2 mana to summon a 1/3 Flamewaker Acolyte (3/3 in Heroic).
Ragnaros: Costs 0 mana. Auto-cast that deals 8 damage to a random enemy (deals 8 damage twice to random enemies in Heroic).

Boss Strategy
The final boss fight of the Molten Core wing is actually split into two stages. The first stage is when you fight the Executus boss.

The boss overall is relatively simple in both Normal and Heroic modes, but the catch is the 10 Molten Giants. You’ll have it pretty easy for the start till you actually get Executus’ health down to 20.

Once you do though, he will start to hurt you with multiple Molten Giants every turn. The second stage of the fight is when Ragnaros comes into play. Immediately after you defeat Executus, Ragnoras will appear.

You will have the same health, same cards, and absolutely no time for recuperation. This guy is extremely deadly, especially in Heroic mode where he has much more health (30 compared to 8 in Normal), and his Heroic Power is amplified to two-folds. Not good.

Ragnaros is nearly impossible to fight properly for a large portion of time, so the ideal tactic is to shorten his stay. The best strategy against these sets of bosses in both Normal and Heroic is to stall the arrival of Ragnoras until you have dominance on the board.

To do so, make sure you delay lowering Executus’ health below 20 until you have drawn a large part of your cards and fill the board with minions. Once you have built a huge board that you feel fairly secure with, take out Executus as quickly as possible to summon Ragnoras.

If you have a powerful enough board, you should be able to withstand the assault of the Molten Giants whilst dealing damage to Ragnoras on a consistent basis. This battle overall is a real endurance test, but you have to take it nice and slow.

Be patient with your buildup so that you can quickly finish the game off and prevent Ragnoras from overwhelming you when he does appear. Use advantage of Executus’ relatively weak offense prior to the Molten Giants to create an army of powerful minions that would be able to overwhelm both bosses easily.

For this battle, it is highly recommended that you have some high-level minion cards. A Paladin-heavy deck with a few epic and one-odd Legendary minions will be able to tackle this boss fight in Heroic mode easily.

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