Slay the Spire 2 throws a lot at you fast, and relics sit at the heart of every successful run. Pick the right one at the right moment and your deck transforms from a pile of mediocre cards into a machine that dismantles bosses. Pick the wrong one and you are carrying dead weight all the way to Act 3. This guide breaks down the best relics in Slay the Spire 2, explains how they interact with each character's strengths, and flags the traps that end promising runs before they get going.

