Heroic Dark Iron Arena (High Justice Grimstone)...
- Last updated Dec 20, 2018 (Level Up Nerf)
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Wild
- 9 Minions
- 21 Spells
- Deck Type: PvE Adventure
- Deck Archetype: Unknown
- Boss: High Justice Grimstone
- Crafting Cost: 3780
- Dust Needed: Loading Collection
- Created: 4/28/2018 (Witchwood)
- Blacktiger_HS_channel
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Total Deck Rating
445
Heroic Dark Iron Arena - Mage's Frost Nova exploit deck
Consistency: Acceptable (expected number of tries 3-5)
Introduction:
I really hate this boss and I hope that Blizzard will not create such bosses anymore. His design is bad on so many levels.
First, he is a major time-waster. Maybe his long introductions of every minion are somewhat entertaining when you are fighting him for the first time. But they certainly aren't after 30+ tries. Just shut up, already...
Second, there is no consistent strategy to beat him. He almost purely is a luck-dependent boss. And this is always bad, because it basically ruins a deck-building part of the challenge. Yeah, some decks have better chances, but it is very difficult to build your deck around some idea, when in the end it all just depends on a lucky Mind Control Tech.
So what is the strategy?
Ok, let's see. This boss is somewhat similar to Gothik from Naxx. Like Gothik he has insane mana and tempo lead, which he is able to maintain for many turns. But unlike Gothik he doesn't die to fatigue, doesn't run out of cards and his deck has unbeatable value. It's like you have to fight Gothik two or three times in a row.
He has so much value, that no control deck has resources to handle this... stuff, so you can't stay on defense. You kind of have to capture the board and pray that he didn't draw Deathwing (and he usually does). But there is just no consistent way to capture the board with 1-2-3 mana, when the boss is playing 5-5-6 plus free 1/1 Taunts. You barely have mana to stay alive.
So you solely depend on a lucky Mind Control Tech or on some AI exploit.
Exploit?
Yes, in this case an exploit is some AI flaw. Something AI does, that a real player would not do. There are basically two known exploits on this boss - Lorewalker Cho/Frost Nova and Millhouse Manastorm/Archmage Antonidas.
I would really like to use some "honest" deck, but you came here for a way to beat the boss and I have to provide one. And this one is probably the best known.
So, yeah, this is a modern variation of the most popular deck on Hearthpwn. I added few good cards, which probably will let you to survive a little bit longer if things went wrong. But the core cards didn't change, so in the case of its primary scenario you probably won't see much difference.
General strategy:
The idea is to keep his board frozen permanently with Frost Nova. You basically have to wait for AI to play Lorewalker Cho with 6 other creatures, then put your own creature on the board (this is important) and cast Frost Nova. Lorewalker Cho will copy it and since Grimstone can't play anything else (hopefully you didn't supply him with other spells), he will cast Frost Nova in return. You can repeat this every turn and spend leftover mana to kill him with your Hero Power and spells.
It sounds easy, but it is not. There are so many things you can do wrong. So read this guide carefully and make sure to watch the sample game.
Deck composition:
This deck has few small creatures to combo with Frost Nova and a set of defensive spells to stall the game until you can setup the board. Some spells may be used for face damage once the board is frozen and Grimstone's hand is full.
Mind Control Tech is the best minion for this battle in pretty much every class and setup and sometimes he can buy you few turns.
If you are lucky enough, you can use Archmage Antonidas to perform Millhouse OTK, but he can also generate few Fireballs for face damage if you will be careful enough to don't mill your Frost Nova.
You probably can put your own Lorewalker Cho into this deck to increase its consistency. But since I don't have him, I have no idea if lone zero-attack Lorewalker Cho will bait AI's Frost Nova. So you may need to play another minion with him to start perma-freeze cycles.
Mulligan:
Mulligan hard for Frost Nova. It is your only win condition and if you didn't draw it by the time Lorewalker Cho is played you will have really hard time stalling the board, since you can't use almost all your spells while Lorewalker Cho is on the board. In fact I suggest to start a new game, if you don't have Frost Nova in your starting hand.
If you have Frost Nova you can also keep Frostbolt, Primordial Glyph, Mind Control Tech, Vaporize and one low-cost minion.
Gameplan stages:
Stage 1 - Lorewalker Cho is played: to advance you need Frost Nova, a small minion and no free space on the upper half of the board. If these requirements are not satisfied, you just have to wait. You can't cast any damage or freeze spells during this time, which essentially leaves you with minions, The Coin and Ice Barrier.
Stage 2 - Frost Nova is cast. The only thing, which can ruin your game at this stage is an unlucky Flame Leviathan draw. Wait until the boss starts burning his cards. You still can't cast anything but Frost Nova at this stage.
Stage 3 - Grimstone's hand is full (9 cards at the start of your turn). You can cast anything, that does not kill his minions now, but always start with Frost Nova. Be very careful with Archmage Antonidas, he can easily mill your Frost Nova. And you never should play him without Shatter in your hand.
Consistency notes:
This is probably the most consistent Grimstone deck archetype in existence.
Most of you will probably just restart the game, if you didn't draw Frost Nova, so if you only count attempts with Frost Nova, it has about 25-40% win rate. However, expect to lose it at least once because of your own mistakes. If you are going to play through every attempt, then expected number of tries is somewhere around 7-10.
About attached video:
I decided to show two games this time.
Game 1 (7:52): This is the primary scenario for this deck, which shows all details of proper behavior on every stage. Study it carefully.
Game 2 (19:36): This is a bonus game I just had to share. It shows what may happen if RNGesus smiles on you. It is the same deck, but in this game it somehow managed to beat the boss without using exploits. I didn't even knew that it is possible, because it entirely consists of defensive tools and beating the boss with it in a regular way was not even considered as a possible outcome. So enjoy this miracle, which shows that everything is possible, if luck is on your side.
Blacktiger's Blackrock Mountain deck collection:
- The Grim Guzzler - Shaman's balanced deck Reliable (1-3 tries)
- Dark Iron Arena - Mage's Frost Nova exploit deck Acceptable (~30% mulligan based)
- Emperor Thaurissan - Priest's purify deck Super (near 100% win rate)
- Garr - Warrior's enrage deck Reliable (1-3 tries)
- Baron Geddon - Warlock's Reno deck Super (near 100% win rate)
- Ragnaros (& Majordomo) - Druid's jade deck Super (near 100% win rate)
- Highlord Omokk - Mage's spell deck Super (near 100% win rate)
- General Drakkisath - Warrior's recruit deck Super (near 100% win rate)
- Rend Blackhand - Warlock's AoE deck Acceptable (3-5 tries)
- Razorgore the Untamed - Priest's dragon deck Reliable (1-3 tries)
- Vaelastrasz the Corrupt - Warrior's hand deck Reliable (1-3 tries)
- Chromaggus - Priest's control deck Reliable (1-3 tries)
- Lord Victor Nefarius - Warlock's Mecha’thun deck Acceptable (3-5 tries)
- Omnotron Defense System - Warlock's headshot deck Super (near 100% win rate)
- Maloriak (in near-term plans) (temporary skipped)
- Atramedes - Warrior's taunt deck Super (near 100% win rate)
- Nefarian - Shaman's Shudderwock deck Super (near 100% win rate)
Provided win rates are approximate. They are based on my tests and so partially depend on how lucky/unlucky I was during my testing. Also keep in mind, that you need a bit of experience with a deck to use it to its full potential. So first attempts usually have lower win rates, than suggested in this list.
Check my profile for updates and plans.
I got so happy when he played a turn 2 lorewalker cho but then he used tinkmaster overspark to turn it into a squirrel :’(
Still works September 2020.
Got it on my 2nd Try! :) Thanks!
I admit i got lucky, I stole Hogger on my 3rd turn with Mind Control Tech so i got a lot of protection during the match. (I didn't play a single Secret)
He played Millhouse Manastorm on my 9th turn when i had Archmage Antonidas and a spell.. so he was done.
I replaced a total of 4 cards (2 set):
- Glacial Shard x2 --> Ice Walker x2
- Fallen Hero x2 --> Arcane Amplifier x2
Thanks again nice strat. deck!
Took me 47 tries, but worked in the end.
Took about 12 tries, first 2 I didn't read the description so more like 10 tries, but got there nonetheless.
A tedious matchup, but this seems to work. Got it on 3rd try. Millhouse on turn 8 was a great play, so says Antonidas!
Just worked for me. Thank you so much.
Fun fact: Toshley can screw you as well as Leviathan.
I apologize in advance if this is rude, but after your Baron Geddon deck worked exceptionally well for me, I came to this one as I realized belatedly that I hadn't beaten Heroic Dark Iron Arena yet. This looked super hard, so I tried my luck in searching for other decks. I landed on another exploit-sy deck, but it was a lot of fun and (I think) a lot easier to achieve than this one. If you don't have any cards, you really only need Sound the Bells and every card-draw spell you can find. Hilarious and fun. Sharing to decrease the pain this boss gives. :P
Yes, I know about this deck and strategy. But please note, that my deck initially was created about 1 year ago even before Kobolds and Catacombs release. There was no such card as Sound the Bells back then.
Maybe one day I'll create alternative decks for some bosses, but I still have a lot of uncovered content, so it probably won't happen soon.
Millhouse can be exploited in many ways. For example you can use Barnes, Antonidas and 28 spells for OTK. All these decks are based on AI playing Millhouse/Cho at specific time, The difference is what turns are acceptable and what additional conditions you have to meet. AI either plays Millhouse (or Cho) on turn one or don't play him for a quite long time, since it prioritizes high-cost creatures. Unlike mage, paladin has no chance to survive until turns 7-9 to play combo then (and you need a way to remove taunts as well to actually attack with a buffed minion, provided that there is one survived previous turn). It means that Sound the Bells deck MUST win on turn 2. So that approach also has its cons. It would be much better, if it had a secondary win condition (like Antonidas in my deck) or a way to survive for 6-8 turns, but there is none. Or at least it should include cheap charge 1-2 mana cost minions Stonetusk Boar and Bluegill Warrior. Without them that deck is suboptimal.
My Cho deck has decent chance to win at later stage, so I don't think, that its win rate is worse. Attempts just take longer, yes and win is harder to execute.
You are correct Blacktiger, really boils down to player being able to use Millhouse and/or Cho that AI plays. I won after about 8 attempts, but not using Frost Nova exploit:
I was playing out the match even though way behind in HP and options when AI suddenly played Millhouse. I didn't think much of it, I was already losing and AI had fatal on me next turn. My turn started and I had Archmage Antonidas in-hand and drew Frostbolt ... so you are saying there is a chance! LOL. Played Archmage Antonidas, then hit him face Frostbolt followed by Fireball x6. Hooray. Surprised I won.
Thanks! the deck still works. Better said: your strategy still works!
Got it on my first try. Even though Lorewalker Cho came in the 8th turn and i already had to give away the first frost nova..
Thanks dude! I hated this boss so much
Welcome! Thank you for your support! I am really happy to know, that my work helps people.
I am happy, that my deck helped you! It looks like you were a bit unlucky, but it's ok. It happens sometimes to me as well. That's why I never release a deck without a lot of testing. It helps me to reduce influence of luck and to better understand how good a deck is.
I noticed, that decks for this boss are one of the most sought after, since people don't know what to do about him. As a very experienced PvE deck creator I can tell you, that this boss has very bad design. It is not people's fault, that they can't beat him and have to restart so many times to get the perfect draw. Blizzard created a challenge, but gave no tools to handle it.
Took several tries but when Grimstone's board was full + Cho and passed turn: I played mana wyrm + frost nova and passed turn. He immediately passed turn back, unfreezing his minions and leaving me without a nova and him with lethal next turn. Lame.
This is unusual. Maybe they changed AI in the Boomsday expansion. I will check it out. Thanks for pointing this out.
Update. I just tested it and this deck still works. I am not sure what went wrong in your case, maybe now AI considers Mana Wyrm to be too weak to use Frost Nova on (I used 2-mana minions as Frost Nova's baits in my two successfull games today). Or maybe you did something wrong, like accidentally burned AI's Frost Nova due to wrong spell order (it is not an offense, it happens to everyone myself included). Anyway, thanks for your comment, I am glad to receive any feedbacks. They help me to improve my decks.
I made a second run at it and the AI acted the way we expect (yay!); It may be that a board with only 1 attack isn't enough for his AI to consider using Frost Nova. Playing Mana Wyrm *first* works around this as it's the only 1 attack minion in the deck. Cheers!
For those who read this discussion now: I replaced Mana Wyrm with Glacial Shard after its nerf. So there is no Mana Wyrm in this deck anymore.
Thanks, I ended up getting lucky with perfectly-timed Exodia, but the deck worked for me on the fourth try!
https://hsreplay.net/replay/sBAKJJpDkdGeVibceKQX3X
Thank you! I actually tried a deck, which was built around this Exodia idea. This second deck had Anotonidas, Barnes and 28 spells. I found it a bit less consistent, but its win condition is so much easier to execute. If some people have trouble with my main deck, then they can try their luck with that second version.