I have beaten Slay the Spire two times as the Ironclad and three times as the Silent. All of the runs were quite different insofar as specific cards and interactions go, but the overall strategy was basically the same for each one:
Avoid Losing Health
This probably sounds like I’m trolling, but I am quite serious.

Not losing HP anytime soon.
As with many games, HP is a resource in Slay the Spire. However, regaining HP comes at a much higher cost in this game. At each Campsite, you can regain 30% of your max HP, or you can upgrade a card. While sometimes necessary, each time you heal at a Campsite instead of Upgrading a card, you are forgoing dozens, if not hundreds of opportunities of using said upgraded card over the rest of the run. Even if you end up grabbing a specific card or Relic that heals you somehow, that is typically at the expense of a different selection that might have helped you in a different way. Much better to simply not need to heal at all.
So here are my tips in avoiding losing health.
Understanding and Loving Block
Blocking often feels bad, especially when it isn’t enough to absorb an entire attack. Instead of being one turn closer to ending the fight, you instead do nothing and take 2 damage, right?

Fist full of Curses, but Block still set me free.
Well, imagine instead that there was a 1-mana card that said “Gain 5 HP.” Would you play it? Yeah, you would probably play it as much as you could. Guess what. That’s what Block does any time it absorbs damage. There will be times when you will save more HP by burning down an enemy than blocking half the damage, but you also have to look beyond the current battle. If you save 10 damage now by burning down the enemy quickly, but lose 30 HP three fights from now, you have ultimately made a poor trade.
Now, there will be times where you have a fist full of Block cards while your opponent is doing nothing but buffing themselves. Those times will suck, and it’s possible you’ll take more damage overall later. However, consider the opposite case where you have a fist full of attack cards and a pile of damage coming back your way. The latter is much more dangerous than the former.
Combat is for the Fortunate
If you do not have a reliable means of avoiding damage via deck/Relic combos, you should not be taking unnecessary risks in combat. Or getting in combat at all. This means picking a route that bypasses as many regular and Elite encounters as possible. Yeah, combat gives you a chance to add cards to your deck, and Elites giving a Relic is cool, but you can also get cards and Relics in those “?” encounters, typically without losing HP. Do those instead.

This sort of route is ideal.
The biggest exception to the general rule is everything on the 1st floor. Since you are just starting a run, it behooves you to take as many risks as possible now, when failure does not sting as much, rather than later when you could lose hours of progress.
Relics Will Carry You
Your overall run will, in a large part, be dictated by the Relics you acquire. Nab the one that gives you 3 Block every time you discard a card? You should probably start picking everything that lets you discard cards. The beginning of a run is more free-form as a result, but you generally can’t go wrong with a fast cycle deck. Just make sure you pick up some Answer cards along the way.
Answer the Encounter Questions
Slay the Spire is currently in Early Access so this can change, but generally the “questions” that an encounter will pose and the subsequent answers are:
- Single, large attack | Apply Weaken
- Multiple attacks | Apply Weaken or reduce Strength
- Escalating Buffs | Kill faster
- Punishing Attack usage (thorns, etc) | Kill faster, or Passive damage
- Punishing Skill usage | Attacks that also gain Block
- Punishing Power usage | Only use highest impact Powers

Exhibit A
Generally, you are going to want to have at least one card that applies Weaken no matter what. Several bosses have one uber-attack that will deal more than 40 damage at a time, so that one Weaken card will end up being the equivalent of “Gain 15+ block.” Would you draft a card that said “Deal 9 damage, gain 15 Block”? Of course you would.
Beyond that… well, it depends on the character you chose and the relics provided. Playing as the Silent means you have specific access to some very nice cycling cards, and can pick up cards that apply Poison. Tons of Block + Poison = eventual win. With Ironclad, you are generally more reliant on attacking, but don’t forgo Block cards on your way to stack Vulnerability (+50% damage). I had the most success with Ironclad when I kept a lean deck and upgraded the 0-cost card that buffed my Strength for the turn.
Accumulate Advantage
Some of the cards and relics you pick up during a run have an impact beyond any individual combat. For example, the Feed card gives you an increased max HP when it deals a killing blow, and the Alchemize card grants you a Potion. There are also relics that heal you when you cast a Power, or perhaps grant you a special action when you reach a campsite.
This may seem like another duh moment, but… do those things.
Specifically, engineer scenarios in which you can take advantage of them all the time. If you get a Feed/Alchemize card, start drafting card draw or extra block so that you can stall combat long enough to capitalize on them. If you get a bonus action at campsites, make sure you are not wasting the opportunity by having to heal up. You should avoid having to heal at campsites anyway (so you can upgrade cards instead), but that goes twice as much when one of your precious relic opportunities is consumed by something that is useless otherwise.
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Slay the Spire: Quick Strategy
Feb 27
Posted by Azuriel
I have beaten Slay the Spire two times as the Ironclad and three times as the Silent. All of the runs were quite different insofar as specific cards and interactions go, but the overall strategy was basically the same for each one:
Avoid Losing Health
This probably sounds like I’m trolling, but I am quite serious.
Not losing HP anytime soon.
As with many games, HP is a resource in Slay the Spire. However, regaining HP comes at a much higher cost in this game. At each Campsite, you can regain 30% of your max HP, or you can upgrade a card. While sometimes necessary, each time you heal at a Campsite instead of Upgrading a card, you are forgoing dozens, if not hundreds of opportunities of using said upgraded card over the rest of the run. Even if you end up grabbing a specific card or Relic that heals you somehow, that is typically at the expense of a different selection that might have helped you in a different way. Much better to simply not need to heal at all.
So here are my tips in avoiding losing health.
Understanding and Loving Block
Blocking often feels bad, especially when it isn’t enough to absorb an entire attack. Instead of being one turn closer to ending the fight, you instead do nothing and take 2 damage, right?
Fist full of Curses, but Block still set me free.
Well, imagine instead that there was a 1-mana card that said “Gain 5 HP.” Would you play it? Yeah, you would probably play it as much as you could. Guess what. That’s what Block does any time it absorbs damage. There will be times when you will save more HP by burning down an enemy than blocking half the damage, but you also have to look beyond the current battle. If you save 10 damage now by burning down the enemy quickly, but lose 30 HP three fights from now, you have ultimately made a poor trade.
Now, there will be times where you have a fist full of Block cards while your opponent is doing nothing but buffing themselves. Those times will suck, and it’s possible you’ll take more damage overall later. However, consider the opposite case where you have a fist full of attack cards and a pile of damage coming back your way. The latter is much more dangerous than the former.
Combat is for the Fortunate
If you do not have a reliable means of avoiding damage via deck/Relic combos, you should not be taking unnecessary risks in combat. Or getting in combat at all. This means picking a route that bypasses as many regular and Elite encounters as possible. Yeah, combat gives you a chance to add cards to your deck, and Elites giving a Relic is cool, but you can also get cards and Relics in those “?” encounters, typically without losing HP. Do those instead.
This sort of route is ideal.
The biggest exception to the general rule is everything on the 1st floor. Since you are just starting a run, it behooves you to take as many risks as possible now, when failure does not sting as much, rather than later when you could lose hours of progress.
Relics Will Carry You
Your overall run will, in a large part, be dictated by the Relics you acquire. Nab the one that gives you 3 Block every time you discard a card? You should probably start picking everything that lets you discard cards. The beginning of a run is more free-form as a result, but you generally can’t go wrong with a fast cycle deck. Just make sure you pick up some Answer cards along the way.
Answer the Encounter Questions
Slay the Spire is currently in Early Access so this can change, but generally the “questions” that an encounter will pose and the subsequent answers are:
Exhibit A
Generally, you are going to want to have at least one card that applies Weaken no matter what. Several bosses have one uber-attack that will deal more than 40 damage at a time, so that one Weaken card will end up being the equivalent of “Gain 15+ block.” Would you draft a card that said “Deal 9 damage, gain 15 Block”? Of course you would.
Beyond that… well, it depends on the character you chose and the relics provided. Playing as the Silent means you have specific access to some very nice cycling cards, and can pick up cards that apply Poison. Tons of Block + Poison = eventual win. With Ironclad, you are generally more reliant on attacking, but don’t forgo Block cards on your way to stack Vulnerability (+50% damage). I had the most success with Ironclad when I kept a lean deck and upgraded the 0-cost card that buffed my Strength for the turn.
Accumulate Advantage
Some of the cards and relics you pick up during a run have an impact beyond any individual combat. For example, the Feed card gives you an increased max HP when it deals a killing blow, and the Alchemize card grants you a Potion. There are also relics that heal you when you cast a Power, or perhaps grant you a special action when you reach a campsite.
This may seem like another duh moment, but… do those things.
Specifically, engineer scenarios in which you can take advantage of them all the time. If you get a Feed/Alchemize card, start drafting card draw or extra block so that you can stall combat long enough to capitalize on them. If you get a bonus action at campsites, make sure you are not wasting the opportunity by having to heal up. You should avoid having to heal at campsites anyway (so you can upgrade cards instead), but that goes twice as much when one of your precious relic opportunities is consumed by something that is useless otherwise.
Like this:
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