Solar Strike Attack

Is Solar Strike good in Slay the Spire 2?

Solar Strike is a common Regent attack in Slay the Spire 2. In combat it resolves as: Deal 9 damage. Gain Stars. It currently underperforms most alternatives, sitting at D tier in our Slay the Spire 2 card rankings.

Across 910 recorded runs, decks running it win 21.0% of the time, comfortably clear of the 14.3% average, by 6.8%. It’s a more selective pick, turning up in just 3.4% of decks that could run it. Taken in 17.0% of its offers, it still trails on the pick-versus-skip split: 19.7% for runs that took it against 25.3% for runs that left it, a -5.5% pick lift over 720 decided runs. Regent players keep it in 19.4% of their runs, so it’s a familiar sight in those decks. On average it shows up 1.2 times in the decks that take it.

It performs best next to Mad Science — together they post a +34.5% swing in win rate. It also has strong chemistry with the relic Sword of Jade, which moves its win rate by +36.5%. At 1 energy, it’s upgraded in 31.9% of runs and usually joins the deck around floor 11.

Upgraded, it gains +1 Damage, +1 Stars, which is why so many decks invest a rest-site upgrade in it. That’s 190 wins, 713 deaths, and 7 abandoned runs with it in the deck. The encounter that most often ends a run carrying it is Knowledge Demon Boss, which closes out 4.9% of its appearances. Read on for Solar Strike’s complete synergy, class, and threat breakdown to decide whether it earns a slot in your Regent run.

Pick or Skip: Solar Strike

Out of 4909 recorded offers Solar Strike is taken 17.0% of the time, and taking it is worth -5.5% in pick lift — 19.7% for runs that picked it against 25.3% for runs that skipped, across 720 decided runs.

Taken 836 times out of 4909 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 Solar Strike

Solar Strike is strongest when it joins the deck in Act 3, where runs win 51.9% across 52 runs — one of 4 recorded pickup windows.

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

Best Cards to Pair with Solar Strike

Ranked by win-rate lift, Solar Strike performs best alongside Mad Science (+34.5%), Arsenal (+30.7%), and Largesse (+25.7%).

Mad Science+34.5%55 runsArsenal+30.7%55 runsLargesse+25.7%33 runsDoubt+24.5%21 runsHammer Time+22.6%20 runsDecay+22.2%18 runs

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

Solar Strike Win Rate by Class

Solar Strike is drafted only by the Regent, where it holds a 21.1% win rate across 902 runs.

The Regentappears in 19.4% of its runs (902 tracked)

Best Relics for Solar Strike

Solar Strike pairs best with the relics Sword of Jade (+36.5%), Meat on the Bone (+32.6%), and Pael's Blood (+32.4%), ranked by win-rate lift.

Sword of Jade+36.5%18 runsMeat on the Bone+32.6%20 runsPael's Blood+32.4%22 runsBlessed Antler+31.4%15 runsNunchaku+29.7%67 runsThrowing Axe+29.4%16 runs

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

Solar Strike Card Details

Solar Strike is a common attack costing 1 energy; it’s upgraded in 31.9% of runs and usually picked up by floor 11.

Deal 9 damage. Gain Stars.

Upgrade: +1 Damage, +1 Stars

What Ends Runs with Solar Strike

Solar Strike’s most common run-enders are Knowledge Demon Boss (4.9%), The Insatiable Boss (4.5%), and Decimillipede Elite (4.5%).

• Knowledge Demon Boss4.9% of runs
• The Insatiable Boss4.5% of runs
• Decimillipede Elite4.5% of runs
• Infested Prisms Elite4.4% of runs
• Test Subject Boss4.1% of runs

See Also

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