Terraforming Skill

Is Terraforming good in Slay the Spire 2?

Terraforming is an uncommon Regent skill in Slay the Spire 2. In combat it resolves as: Gain 6 Vigor. It’s a dependable, middle-of-the-pack option, landing at C tier in our rankings.

Across 197 recorded runs, decks running it win 31.0% of the time, comfortably clear of the 14.3% average, by 16.7%. It’s a more selective pick, turning up in just 0.7% of decks that could run it. Offer data backs the pick — taken 9.2% of the time it is shown, with 29.1% for runs that took it against 26.6% for runs that did not, a +2.3% pick lift across 151 decided runs. Regent players keep it in 4.0% of their runs, so it’s a familiar sight in those decks. On average it shows up 1.1 times in the decks that take it.

It performs best next to Orbit — together they post a +23.3% swing in win rate. It also has strong chemistry with the relic Miniature Cannon, which moves its win rate by +29.4%. At 1 energy, it’s upgraded in 25.8% of runs and usually joins the deck around floor 13.

That’s 61 wins, 136 deaths, and 0 abandoned runs with it in the deck. The encounter that most often ends a run carrying it is Knowledge Demon Boss, which closes out 6.1% of its appearances. Read on for Terraforming’s complete synergy, class, and threat breakdown to decide whether it earns a slot in your Regent run.

Pick or Skip: Terraforming

Out of 1741 recorded offers Terraforming is taken 9.2% of the time, and taking it is worth +2.3% in pick lift — 29.1% for runs that picked it against 26.6% for runs that skipped, across 151 decided runs.

Taken 160 times out of 1741 offers.

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.

When to Pick Up Terraforming

Terraforming is strongest when it joins the deck in Act 3, where runs win 56.3% across 16 runs — one of 4 recorded pickup windows.

Win rate of runs by the act Terraforming entered the deck. Acts that have not reached the sample floor show their run count only.

Best Cards to Pair with Terraforming

Ranked by win-rate lift, Terraforming performs best alongside Orbit (+23.3%), Glimmer (+19.4%), and Heavenly Drill (+19.4%).

Orbit+23.3%51 runsGlimmer+19.4%16 runsHeavenly Drill+19.4%18 runsTyranny+19.4%20 runsManifest Authority+19.3%24 runsSeven Stars+19.3%32 runs

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

Terraforming Win Rate by Class

Terraforming is drafted only by the Regent, where it holds a 30.7% win rate across 189 runs.

The Regentappears in 4.0% of its runs (189 tracked)

Best Relics for Terraforming

Terraforming pairs best with the relics Miniature Cannon (+29.4%), Miniature Tent (+28.7%), and Horn Cleat (+25.6%), ranked by win-rate lift.

Miniature Cannon+29.4%20 runsMiniature Tent+28.7%22 runsHorn Cleat+25.6%22 runsIce Cream+25.4%15 runsWar Paint+21.9%28 runsPantograph+21.0%21 runs

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

Terraforming Card Details

Terraforming is an uncommon skill costing 1 energy; it’s upgraded in 25.8% of runs and usually picked up by floor 13.

Gain 6 Vigor.

What Ends Runs with Terraforming

Terraforming’s most common run-enders are Knowledge Demon Boss (6.1%), Infested Prisms Elite (4.6%), and Test Subject Boss (4.1%).

• Knowledge Demon Boss6.1% of runs
• Infested Prisms Elite4.6% of runs
• Test Subject Boss4.1% of runs
• Aeonglass Boss3.6% of runs
• The Kin Boss3.6% of runs

See Also

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