Prismatic Gem Relic

Is Prismatic Gem good in Slay the Spire 2?

Prismatic Gem is an ancient relic in Slay the Spire 2. While carried, it does the following: Gain Energy at the start of each turn. Card rewards now contain cards from other colors. It currently underperforms most relics, sitting at D tier in our Slay the Spire 2 relic rankings.

Across 132 recorded runs, decks carrying it win 29.6% of the time, comfortably clear of the 13.8% average, by 15.7%. It’s a more situational relic, showing up in just 0.6% of runs. The class that gets the most out of it is the Ironclad, at a 42.3% win rate. Ironclad players hold onto it in 0.6% of their runs.

It combos especially well with Deflect, worth a +20.4% win-rate swing together. Another strong card to run with it is Defend, worth +14.4% to its win rate. On average it’s acquired around floor 18 of a run. Its ancient rarity shapes how frequently you’ll run into it.

It has 39 run wins against 93 losses in our tracked data. When runs carrying it end, the most frequent culprit is Test Subject Boss, which closes out 7.6% of them. Read on for Prismatic Gem’s complete card, class, and threat breakdown before you decide to pick it up.

Pick or Skip: Prismatic Gem

Prismatic Gem is taken in 100.0% of its 132 recorded offers, but with 132 runs picking it and 0 passing, neither side has enough decided runs for a win rate yet.

Taken 132 times out of 132 offers.

A win rate is only shown once that side clears the sample floor. Below it you get the run counts and nothing else — a 0% here would be a reporting artefact, not a result.

Pick rate when offered counts offers, not runs: out of every time the game put this in front of a player, how often it was taken. It is not the same number as the share of runs that end up containing it.

Pick lift is the sample-adjusted gap between runs that took the option and runs that passed on it. It is the fair way to rank choices, because raw win rates put the smallest samples on top.

Best Cards with Prismatic Gem

Ranked by win-rate lift, the best cards to run with Prismatic Gem are Deflect (+20.4%), Defend (+14.4%), and Strike (+14.4%).

Deflect+20.4%18 runsDefend+14.4%25 runsStrike+14.4%25 runsScourge+14.2%16 runsBlade Dance+13.3%21 runsBash+12.8%26 runs

Based on small co-occurring samples — treat these as early signals, not final verdicts.

Prismatic Gem Win Rate by Class

Prismatic Gem shows up across 5 classes, led by Ironclad (42.3%), Necrobinder (33.3%), and Silent (27.9%) by win rate.

The Ironclad42.3%26 runsThe Necrobinder33.3%15 runsThe Silent27.9%43 runsThe Defect25.0%28 runsThe Regent20.0%20 runs

Prismatic Gem Details

Prismatic Gem is an ancient relic carried in 0.6% of runs and usually picked up around floor 18.

Gain Energy at the start of each turn. Card rewards now contain cards from other colors.

What Ends Runs with Prismatic Gem

Prismatic Gem’s most common run-enders are Test Subject Boss (7.6%), Queen Boss (7.6%), and Aeonglass Boss (6.8%).

• Test Subject Boss7.6% of runs
• Queen Boss7.6% of runs
• Aeonglass Boss6.8% of runs
• Knowledge Demon Boss6.1% of runs
• Infested Prisms Elite6.1% of runs

See Also

Compare Prismatic Gem with the rest of the best Slay the Spire 2 relics, cards, and classes below.