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 470 recorded runs, decks running it win 27.3% of the time, comfortably clear of the 13.4% average, by 13.8%. It’s a more selective pick, turning up in just 2.9% of decks that could run it. Taken in 32.4% of its offers, it still trails on the pick-versus-skip split: 26.9% for runs that took it against 30.5% for runs that left it, a -3.5% pick lift over 346 decided runs. Regent players keep it in 18.6% 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 +23.6% swing in win rate. It also has strong chemistry with the relic Kifuda, which moves its win rate by +31.0%. At 1 energy, it’s upgraded in 34.8% of runs and usually joins the deck around floor 16.

That’s 127 wins, 339 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 6.4% 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 1219 recorded offers Child of the Stars is taken 32.4% of the time, and taking it is worth -3.5% in pick lift — 26.9% for runs that picked it against 30.5% for runs that skipped, across 346 decided runs.

Taken 395 times out of 1219 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 60.4% across 48 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 (+23.6%), Mad Science (+22.2%), and Pale Blue Dot (+21.1%).

Finesse+23.6%15 runsMad Science+22.2%40 runsPale Blue Dot+21.1%37 runsTyranny+20.1%38 runsDying Star+19.8%83 runsStardust+19.2%98 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 27.3% win rate across 470 runs.

The Regentappears in 18.6% of its runs (470 tracked)

Best Relics for Child of the Stars

Child of the Stars pairs best with the relics Kifuda (+31.0%), Strike Dummy (+25.7%), and Anchor (+24.7%), ranked by win-rate lift.

Kifuda+31.0%17 runsStrike Dummy+25.7%65 runsAnchor+24.7%78 runsLee's Waffle+23.6%16 runsWhetstone+22.4%63 runsPear+22.1%37 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 34.8% of runs and usually picked up by floor 16.

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 (6.4%), Queen Boss (4.5%), and The Insatiable Boss (4.3%).

• Knowledge Demon Boss6.4% of runs
• Queen Boss4.5% of runs
• The Insatiable Boss4.3% of runs
• Entomancer Elite3.8% of runs
• Test Subject Boss3.8% of runs

See Also

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