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 29 recorded runs, decks running it win 24.1% of the time, comfortably clear of the 12.6% average, by 11.5%. It’s a more selective pick, turning up in just 5.6% of decks that could run it. Regent players keep it in 17.5% 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 Neutron Aegis — together they post a +75.9% swing in win rate. It also has strong chemistry with the relic Bag of Marbles, which moves its win rate by +55.9%. At 1 energy, it’s upgraded in 37.1% of runs and usually joins the deck around floor 12.

That’s 7 wins, 22 deaths, and 0 abandoned runs with it in the deck. The encounter that most often ends a run carrying it is Vantom Boss, which closes out 13.8% 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.

Best Cards to Pair with Child of the Stars

Ranked by win-rate lift, Child of the Stars performs best alongside Neutron Aegis (+75.9%), Mad Science (+75.9%), and Glow (+55.9%).

Neutron Aegis+75.9%3 runsMad Science+75.9%4 runsGlow+55.9%5 runsDevastate+55.9%5 runsBig Bang+50.9%4 runsArsenal+50.9%4 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 24.1% win rate across 29 runs.

The Regentappears in 17.5% of its runs (29 tracked)

Best Relics for Child of the Stars

Child of the Stars pairs best with the relics Bag of Marbles (+55.9%), Happy Flower (+50.9%), and Regal Pillow (+50.9%), ranked by win-rate lift.

Bag of Marbles+55.9%5 runsHappy Flower+50.9%4 runsRegal Pillow+50.9%4 runsBing Bong+42.5%3 runsLantern+42.5%3 runsNeow's Bones+42.5%3 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 37.1% of runs and usually picked up by floor 12.

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 Vantom Boss (13.8%), Entomancer Elite (6.9%), and Exoskeletons Normal (6.9%).

• Vantom Boss13.8% of runs
• Entomancer Elite6.9% of runs
• Exoskeletons Normal6.9% of runs
• Waterfall Giant Boss6.9% of runs
• Decimillipede Elite6.9% of runs

See Also

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