Tri-Boomerang•Relic

Is Tri-Boomerang good in Slay the Spire 2?

Tri-Boomerang is an ancient relic in Slay the Spire 2. While carried, it does the following: Choose Attacks in your Deck. Enchant them with Instinct. It’s a reliable mid-tier relic, landing at C tier in our rankings.

Across 129 recorded runs, decks carrying it win 52.7% of the time, comfortably clear of the 13.9% average, by 38.8%. It’s a more situational relic, showing up in just 1.1% of runs. The class that gets the most out of it is the Regent, at a 66.7% win rate. Regent players hold onto it in 0.9% of their runs.

It combos especially well with Strike, worth a +18.1% win-rate swing together. Another strong card to run with it is Venerate, worth +14.0% to its win rate. On average it’s acquired around floor 33 of a run. Its ancient rarity shapes how frequently you’ll run into it.

It has 68 run wins against 61 losses in our tracked data. When runs carrying it end, the most frequent culprit is Test Subject Boss, which closes out 17.8% of them. Read on for Tri-Boomerang’s complete card, class, and threat breakdown before you decide to pick it up.

Pick or Skip: Tri-Boomerang

Tri-Boomerang is taken in 100.0% of its 129 recorded offers, but with 129 runs picking it and 0 passing, neither side has enough decided runs for a win rate yet.

Taken 129 times out of 129 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 Tri-Boomerang

Ranked by win-rate lift, the best cards to run with Tri-Boomerang are Strike (+18.1%), Venerate (+14.0%), and Defend (+14.0%).

Strike+18.1%24 runsVenerate+14.0%18 runsDefend+14.0%18 runsUnleash+11.3%25 runsStrike+9.8%16 runsMad Science+8.4%18 runs

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

Tri-Boomerang Win Rate by Class

Tri-Boomerang shows up across 5 classes, led by Regent (66.7%), Necrobinder (60.7%), and Silent (52.6%) by win rate.

The Regent66.7%18 runsThe Necrobinder60.7%28 runsThe Silent52.6%19 runsThe Ironclad47.9%48 runsThe Defect33.3%15 runs

Tri-Boomerang Details

Tri-Boomerang is an ancient relic carried in 1.1% of runs and usually picked up around floor 33.

Choose Attacks in your Deck. Enchant them with Instinct.

What Ends Runs with Tri-Boomerang

Tri-Boomerang’s most common run-enders are Test Subject Boss (17.8%), Aeonglass Boss (9.3%), and Queen Boss (7.8%).

• Test Subject Boss17.8% of runs
• Aeonglass Boss9.3% of runs
• Queen Boss7.8% of runs
• Doormaker Boss2.3% of runs
• Frog Knight Normal1.6% of runs

See Also

Compare Tri-Boomerang with the rest of the best Slay the Spire 2 relics, cards, and classes below.