Child of the Stars Power

Is Child of the Stars good in Slay the Spire 2?

Child of the Stars is an uncommon Regent power in Slay the Spire 2. In combat it resolves as: Whenever you spend, gain Block for each spent. It’s a dependable, middle-of-the-pack option, landing at C tier in our rankings.

Across 522 recorded runs, decks running it win 27.8% of the time, comfortably clear of the 13.7% average, by 14.1%. It’s a more selective pick, turning up in just 2.8% of decks that could run it. Taken in 31.6% of its offers, it still trails on the pick-versus-skip split: 27.1% for runs that took it against 31.4% for runs that left it, a -4.1% pick lift over 391 decided runs. Regent players keep it in 18.5% 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 Finesse — together they post a +23.2% swing in win rate. It also has strong chemistry with the relic Kifuda, which moves its win rate by +30.6%. At 1 energy, it’s upgraded in 35.5% of runs and usually joins the deck around floor 17.

That’s 144 wins, 374 deaths, and 4 abandoned runs with it in the deck. The encounter that most often ends a run carrying it is Knowledge Demon Boss, which closes out 6.3% of its appearances. Read on for Child of the Stars’s complete synergy, class, and threat breakdown to decide whether it earns a slot in your Regent run.

Pick or Skip: Child of the Stars

Out of 1410 recorded offers Child of the Stars is taken 31.6% of the time, and taking it is worth -4.1% in pick lift — 27.1% for runs that picked it against 31.4% for runs that skipped, across 391 decided runs.

Taken 446 times out of 1410 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 Child of the Stars

Child of the Stars is strongest when it joins the deck in Act 3, where runs win 54.8% across 62 runs — one of 3 recorded pickup windows.

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

Best Cards to Pair with Child of the Stars

Ranked by win-rate lift, Child of the Stars performs best alongside Finesse (+23.2%), Tyranny (+22.8%), and Mad Science (+21.8%).

Finesse+23.2%17 runsTyranny+22.8%41 runsMad Science+21.8%44 runsDying Star+21.5%89 runsPale Blue Dot+20.8%43 runsStardust+18.7%113 runs

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

Child of the Stars Win Rate by Class

Child of the Stars is drafted only by the Regent, where it holds a 27.8% win rate across 522 runs.

The Regentappears in 18.5% of its runs (522 tracked)

Best Relics for Child of the Stars

Child of the Stars pairs best with the relics Kifuda (+30.6%), Gambling Chip (+24.6%), and Anchor (+24.1%), ranked by win-rate lift.

Kifuda+30.6%17 runsGambling Chip+24.6%22 runsAnchor+24.1%84 runsStrike Dummy+23.1%72 runsUnceasing Top+23.1%21 runsPendulum+22.5%92 runs

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

Child of the Stars Card Details

Child of the Stars is an uncommon power costing 1 energy; it’s upgraded in 35.5% of runs and usually picked up by floor 17.

Whenever you spend, gain Block for each spent.

What Ends Runs with Child of the Stars

Child of the Stars’s most common run-enders are Knowledge Demon Boss (6.3%), Queen Boss (4.8%), and The Insatiable Boss (4.2%).

• Knowledge Demon Boss6.3% of runs
• Queen Boss4.8% of runs
• The Insatiable Boss4.2% of runs
• Test Subject Boss4.2% of runs
• Entomancer Elite4.0% of runs

See Also

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