Walkthroughs / Slay the Spire 2 / Which Relics and Synergies Are Worth Chasing?

Which Relics and Synergies Are Worth Chasing?

Use this Slay the Spire 2 walkthrough and guide for beginner strategy, deck building, relic and synergy picks, co-op advice, and Early Access tips that keep rough runs winnable.

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TL;DR: Chase consistency first, ceiling second

In the current Slay the Spire 2 Early Access build, the relics worth chasing are usually the boring-good ones that make your deck work more often: extra energy, extra draw or filtering, and relics that pay you for something your deck already does every fight. Sample opening turns: on turn 1 against a slow enemy, spend one card on setup and keep enough block to stay safe; on turn 2, use the extra energy or draw to find your best damage line; on turn 3 and after, stop playing every card just because it glows and start ending the fight. That is how a tiny two-piece engine turns into the run-carrying nonsense you actually wanted.

You know the exact throw. A shiny relic drops, your brain starts making the montage, and ten minutes later your deck draws like a junk drawer with feelings. Suddenly the run feels swingy, and now you are side-eyeing RNG like it keyed your car. Most of the time, that was not pure bad luck. You chased the ceiling before you built the floor. The fix is simple: take the relic that makes your good turns happen more often, not the relic that needs three future rewards and a small miracle to stop being cosplay.

Slay the Spire 2 relic reward screen showing multiple relic choices, with a straightforward extra-energy option contrasted against narrower synergy-focused options.
Use a relic reward screen here so readers can instantly connect the advice to an actual decision point: the clean extra-energy pick is often better than the flashy relic that needs future help.

What is actually worth chasing?

  • Energy relics give you more energy, which means more cards played each turn. When to pick: your hand is often full of playable cards and you keep ending turns with good cards stranded.
  • Draw or filtering relics help you see key cards faster. Filtering means turning weak draws into better ones. When to pick: your deck already has one strong attack line and one strong defense line, but you do not find them on time.
  • Repeatable payoff relics reward a simple action your deck can do every combat. When to pick: the payoff is live now with your current list, not after several speculative card rewards.
  • Safety relics buy you time to set up. They are less flashy, but often more real. When to pick: elites or bosses keep forcing you to panic-block before your deck comes online.

A synergy is just two or more pieces that make each other better. In Slay the Spire 2, the cleanest synergies usually have one engine piece and one payoff piece. The engine is the thing that repeats, like extra energy or extra draw. The payoff is the part that turns that repetition into kills or long-fight value. Use a simple test: does this relic help on turn 1, does it help in most fights, and does it ask me to add weak cards just to make it look good? If the answer is yes, yes, and no, you are usually cooking. If the answer is maybe, sometimes, and kind of, that is bait wearing sunglasses.

When a fight gives you a setup turn, that is your window to deploy scaling, meaning effects that get stronger over several turns. If the fight opens with real pressure, play the safe turn first and let your relics win the long math. Tip: if RNG already clipped your run, do a two-reward reset. Take one clean defense card, take one clean draw card, and skip anything that does not help your next three fights. In co-op, split jobs the same way so one player is not doing all the adulting while three people chase Christmasland. Early Access note, March 8, 2026: Mega Crit says more content will be added and balanced throughout Early Access, so relic rankings should move. The rule should still hold: chase the relics that make your deck do its thing every combat, not just the relics that make one screenshot look illegal.

Slay the Spire 2 combat screen showing the player hand, energy, block, and draw-related UI during an early turn where setup and payoff decisions matter.
A tight combat UI shot makes the section's core lesson legible fast: safe setup first, then use extra energy or draw to find the kill line instead of dumping every glowing card.
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