The Ironclad’s infamous Exhaust mechanic is back in Slay the Spire 2, and it’s brought some truly ridiculous new tools to the run. Case in point: Howl From Beyond. At first glance, this Uncommon Attack card looks like a clunky, overpriced AoE strike. But if you are actively spending 3 Energy to play this card out of your hand, you are doing it wrong.
The true power of this card lies entirely in its secondary text: “At the start of your turn, plays from the Exhaust Pile.” The meta-strategy here is simple—don’t play it. Destroy it. By using cheap enabler cards to Exhaust Howl From Beyond directly from your hand or deck, you turn a devastating 3-cost AoE nuke into a free, delayed tactical strike.
Here is the quick-reference breakdown of how the card works and what you need to draft to break it.
Howl From Beyond Card Overview
| Attribute | Details |
| Character | Ironclad |
| Type & Rarity | Attack (Uncommon) |
| Energy Cost | 3 |
| Damage Output | 16 damage to ALL enemies (21 damage when Upgraded) |
| The Exhaust Mechanic | If Exhausted by another card/effect, it automatically plays for 0 Energy at the start of your next turn, then goes to your Discard Pile. |
| Top Tier Enablers | Thrash, Havoc, Fiend Fire, Burning Pact |
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Stop Hard-Casting: The Core Strategy
To understand why this card is a run-winner, you have to understand the difference between Discarding and Exhausting.
If you pay 3 Energy to play Howl From Beyond normally, it deals its damage and goes straight to your Discard Pile. You gain absolutely no benefit from its special effect. However, if you use a 1-cost Ironclad card to Exhaust Howl From Beyond while it’s in your hand or on top of your deck, it gets sent to the Exhaust Pile instead.
Once it’s in the Exhaust Pile, the trap is set. At the beginning of your very next turn, the card will automatically cast itself for free, wiping the board before you even spend a single point of Energy. You essentially trade 1 Energy now for a 3-Energy nuke on the following turn. This is incredible for setting up lethal damage or preemptively clearing the board right before a boss summons minions.
The Best Combos & Synergies
Drafting Howl From Beyond means you need to actively hunt for enablers. Without them, it’s just a dead card bloating your hand. Here are the top synergies to look out for:
- Thrash (1 Energy): The easiest and most reliable combo in the game. Thrash deals damage twice and Exhausts a random Attack in your hand, absorbing its damage. If Howl From Beyond is the only other attack in your hand, you get a massive single-target hit this turn, and the free AoE wipe next turn.
- Fiend Fire (2 Energy): Fiend Fire is a premium single-target nuke that Exhausts your entire hand. Its biggest weakness is that it leaves you vulnerable to groups of enemies. Having Howl From Beyond sitting in the hand when you pull the trigger completely covers that weakness by guaranteeing an AoE sweep on the following turn.
- Havoc + Headbutt: The infinite loop. Play Howl From Beyond normally for 3 Energy. Next turn, use Headbutt to pull it from the Discard Pile and place it on top of your draw pile. Then, play Havoc (1 Energy) to instantly play the top card of your deck and Exhaust it. You just dealt double AoE damage and prepped a third free strike for the next turn.
Relics & Advanced Tactics
If you are committing to an Exhaust build, Charon’s Ashes is the ultimate boss relic to hunt for. It deals damage to all enemies every time a card is Exhausted. This means the exact moment you send Howl From Beyond to the Exhaust Pile, you get an immediate AoE burst, followed by the card’s actual 16/21 damage burst on the next turn.
Additionally, keep this card in mind for Act 3. There is a specific fight where all of your cards are inflicted with the Ethereal status—meaning if you don’t play them, they automatically Exhaust at the end of your turn. In this fight, Howl From Beyond becomes an entirely self-sufficient, free board wipe. You literally just let it sit in your hand, let Ethereal exhaust it, and watch it decimate the enemy on the next turn.
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FAQs
Q: Does Howl From Beyond stay in the Exhaust Pile after it auto-casts?
No. Once the card triggers its free attack from the Exhaust Pile at the start of your turn, it is moved directly into your standard Discard Pile. You will need to draw it again and use another enabler to Exhaust it a second time.
Q: Does the auto-cast benefit from my Strength buffs and Vulnerable debuffs?
Absolutely. Any active Strength modifiers you have at the start of your turn will calculate into the free cast. If you have 5 Strength, the Upgraded version will hit the entire board for 26 damage for zero Energy.
Q: Is it worth using a Campfire to upgrade Howl From Beyond early?
Yes. Bumping the base damage from 16 to 21 is a massive 5-point leap. Because it hits all enemies, that’s an extra 15-20 total damage output in multi-target elite fights like the Slavers or Gremlin Leader. It should be high on your smithing priority list.
