Star Economy Tool

Regent Stars & Forge Output Calculator

Build the cleanest Regent line for this turn. Track Stars, convert forge into real blade damage, and see whether your setup still leaves enough Energy to swing.

23engine cards tracked
3/12cards in the search line
27projected blade damage per hit

Calculator Editorial

How This Regent Line Search Actually Makes Decisions

This page searches the strongest setup line from the cards you selected. It is not trying to play the whole fight. It is trying to answer a narrower and more useful question: what sequence turns your current Stars, Energy, and blade state into the cleanest turn right now.

Reviewed2026-03-28
What It Solves

Regent turns fail when Stars and Energy are spent in the wrong order

This tool exists to clean up Regent setup turns. The real problem is not counting raw forge. The problem is deciding whether the current hand should build Stars first, convert them into tempo, or stop and cast Sovereign Blade immediately.

A good Regent line front-loads generation and only spends Stars when the conversion really improves the blade or keeps enough Energy to swing.

  • Use it when you want the best current-turn line from a bounded card pool.
  • Use it to see whether your setup is a kill turn, a grow-the-blade turn, or a trap turn.
Input Meanings

The board state drives the search more than the card list

Starting Energy, Starting Stars, Target HP, Enemy Count, and Other Star Spend After Setup define the turn you are solving. Blade location, current blade damage, existing Sword Sage stacks, upgraded blade state, and Seeking Edge status define the weapon you are trying to finish.

Card Selection is a bounded search pool, not the whole deck. The tool only plays from what you chose, and it caps the pool at 12 cards so the result stays fast and readable.

  • Try Blade Cast tells the search to check whether spending into an actual Sovereign Blade cast beats stopping earlier.
  • Other Star Spend After Setup is a reserved-spend guardrail, so the line is punished if it burns Stars you already need elsewhere.
Rule Basis

Every legal line is searched, then scored by damage, reserve, and future value

A card can only be played if the current state can pay both its Energy cost and Star cost. The search walks every legal order from the selected pool, including an optional final Blade cast if the blade is in hand and the Energy exists.

The scoring is brutally practical. Lethal blade casts win by a mile, then the tool values primary damage, total damage, banked Stars, immediate forge, and next-turn resources. If reserved Star spend is not covered, the line is hammered by a heavy deficit penalty.

  • Forge directly increases blade damage.
  • Sword Sage adds hits and blade cost at the same time.
  • Seeking Edge turns the blade into an all-enemy hit.
  • Conqueror doubles the marked target inside the final blade math.
When It Drifts

This is a line search, not a full combat simulator

The tool does not model hidden draw order, relic triggers outside the selected cards, enemy intent changes, Vulnerable, Strength, or every external modifier a live run can stack on the turn.

It also does not try to solve the whole fight tree. Its job is narrower: score the best legal sequence from the cards you selected and the board state you entered.

  • If a future random draw is the only way the turn works, this page will not pretend it is guaranteed.
  • If the real turn depends on extra buffs from outside the chosen pool, treat the output as a floor and adjust manually.
Worked Example

3 Energy, 0 Stars, no blade in hand, target HP 40

With Venerate, Big Bang, and Spoils of Battle selected, the current search finds a clean setup line instead of a fake lethal. It spends the turn generating Stars, creating the blade, and forging it before the cast.

The resulting line is Venerate into Big Bang into Spoils of Battle into Sovereign Blade. That produces a 27-damage blade hit and still banks 3 Stars, which is useful, but it also makes the shortfall visible: you are still 13 damage short of killing a 40 HP target.

  • Venerate: go from 3 Energy / 0 Stars to 2 Energy / 2 Stars.
  • Big Bang: refund 1 Energy, gain 1 Star, and create a 15-damage blade after Forge 5.
  • Spoils of Battle: spend 1 Energy to add 12 more forge, pushing blade damage to 27.
  • Blade cast: 27 primary damage, 0 Energy left, 3 Stars banked.
  • Read: strong setup turn, not a kill turn.

Maintenance Signals

Who Maintains This Page

A calculator without ownership is just a fancy guess. These signals show who maintains the tool, which live ruleset it matches, and where the responsibility boundary stops.

Maintained bySTS2 Calculator Tools Desk

Independent fan-made editors and data maintainers. This is not an official Slay the Spire 2 or Mega Crit property.

Responsible editorSTS2 Calculator Site Operator

Final site operator and responsible editor. Final contact for corrections, rights notices, and maintenance triage via [email protected].

Last reviewedMarch 28, 2026

Visible copy, links, and page-level signals were checked in the latest review pass.

Patch verifiedCurrent Early Access Stars + Forge model

If a patch moves the numbers, wording, or assumptions behind this page, the page gets revised, narrowed, or rechecked again.

Applies toRegent Stars generation, Forge sequencing, and payoff-turn math surfaced by the current calculator inputs.

Tool pages cover the math, tables, and assumptions surfaced by the current UI on this route.

DisclaimerTool output is only as honest as the current inputs and published assumptions.

Bad inputs, hidden fight modifiers, or unsupported edge cases still produce bad conclusions. The tool does not guess those for you.

Turn Setup

Tune the current board state first. The calculator searches the strongest setup line from your selected cards and stops when spending one more card would hurt the outcome.

Sovereign Blade State

This is the blade you have before the line starts. If no blade exists yet, any forge effect will create one in hand.

Card Selection

Pick the Regent cards you want the tool to consider. The search is capped at 12 cards to keep the result fast and readable.

3 cards selected3 unique entries0 upgraded

Big Bang

Rare Skill

0 Energy

Draw 1, gain 1 Energy, gain 1 Star, then Forge 5.

StarsForgeEnergy
1
  • Innate after upgrade.
  • One of the cleanest setup cards because it refunds tempo and starts the blade.

Gather Light

Common Skill

1 Energy

Gain 8 Block and 1 Star.

Stars
0
  • Upgrade only changes Block.

Glow

Common Skill

1 Energy

Gain 1 Star, draw 1 now, and draw 1 next turn.

StarsDraw
0
  • Upgrade adds one more Star.

Hidden Cache

Common Skill

1 Energy

Gain 1 Star now and 3 more next turn.

StarsNext Turn
0
  • Upgrade pushes the delayed payout to 4 Stars.

Venerate

Basic Skill

1 Energy

Gain 2 Stars.

Stars
1
  • Simple fuel. Upgrade makes it 3 Stars.

Solar Strike

Common Attack

1 Energy

Deal 9 damage and gain 1 Star.

StarsAttack
0
  • Upgrade turns it into a better bridge card because both damage and Star gain go up.

Shining Strike

Uncommon Attack

1 Energy

Deal 8 damage, gain 2 Stars, and cycle itself back to the draw pile.

StarsAttack
0
  • The recycle clause matters for future turns, not for same-turn output.

Knockout Blow

Uncommon Attack

3 Energy

Deal 30 damage. If it lands the kill, gain 5 Stars.

StarsAttackConditional
0
  • Use the trigger control in the calculator if you expect a kill.

Royal Gamble

Uncommon Skill

0 Energy5 Stars

Spend 5 Stars to gain 9 back.

StarsStar Spend
0
  • Net change is +4 Stars if you can afford the entry cost.
  • Upgrade adds Retain but does not change the numbers.

Alignment

Uncommon Skill

0 Energy3 Stars

Spend 3 Stars to gain 2 Energy.

EnergyStar Spend
0
  • Best used to unlock heavy forge cards or a Sword Sage plus Blade turn.

Convergence

Uncommon Skill

1 Energy

Retain your hand and gain 1 Energy plus 1 Star next turn.

Next TurnEnergyStars
0
  • Upgrade raises the delayed Star gain to 2.

Genesis

Rare Power

2 Energy

Gain 2 Stars at the start of each turn.

Next TurnStarsPower
0
  • The calculator counts the next reset and also shows it as recurring income.

The Sealed Throne

Ancient Power

1 Energy3 Stars

After it is in play, every later card you play gives 1 Star.

StarsPowerStar Spend
0
  • The payoff starts on later cards, not on The Sealed Throne itself.

Bulwark

Uncommon Skill

2 Energy

Gain 13 Block and Forge 10.

Forge
0
  • One of the biggest same-turn blade jumps in the common Regent shell.

Spoils of Battle

Common Skill

1 Energy

Forge 12.

Forge
1
  • Pure blade growth. No extra setup text, no wasted rules.

Wrought in War

Common Attack

1 Energy

Deal 7 damage and Forge 7.

ForgeAttack
0
  • Clean bridge card when you want board pressure and blade growth in the same slot.

Refine Blade

Common Skill

1 Energy

Forge 6 and gain 1 Energy next turn.

ForgeNext Turn
0
  • Upgrade pushes the blade damage harder without changing the delayed Energy.

Furnace

Uncommon Power

1 Energy

Forge 4 at the start of each turn.

ForgePowerNext Turn
0
  • The calculator counts the next trigger and also shows it as recurring forge income.

The Smith

Rare Skill

1 Energy4 Stars

Spend 4 Stars to Forge 30.

ForgeStar Spend
0
  • This is the blunt instrument in the kit. If the Stars are there, the blade jumps immediately.

Conqueror

Uncommon Skill

1 Energy

Forge 3 and make Sovereign Blade deal double damage to one marked enemy this turn.

ForgeBlade
0
  • The double-damage mark only matters for one target and only for the current turn.

Seeking Edge

Rare Power

1 Energy

Forge 7 and turn Sovereign Blade into an all-enemy strike.

ForgeBladePower
0
  • The hit pattern changes from single target to all enemies.

Sword Sage

Rare Power

2 Energy

Sovereign Blade gains 1 extra hit and costs 1 more Energy.

BladePower
0
  • Every stack adds one hit and one extra Energy to the Blade.

Summon Forth

Uncommon Skill

1 Energy

Forge 8 and pull Sovereign Blade into your hand.

ForgeBlade
0
  • If no Blade exists yet, the forge part creates one first and the card still ends with a Blade in hand.

Output Snapshot

The numbers below come from the best setup line the tool found from your selected cards.

  • Stars gained this turn+3
  • Stars spent on cards-0
  • Forge this line+17
  • Stars after setup3
  • Stars after reserved spend3
  • Energy left0
  • Blade damage per hit27
  • Blade hits1
  • Primary target damage27

Solid setup turn

The line banks Stars, grows the blade, and leaves a clear follow-up for the next reset.

Blade Readout

Forge adds raw blade damage. Sword Sage changes both hit count and cost. Conqueror doubles one marked target.

Before the line

  • Blade stateNo blade
  • Damage per hit10
  • Hits1
  • Cast cost2

After setup

  • Blade stateIn hand
  • Damage per hit27
  • Hits1
  • Cast cost2
  • Primary target damage27
  • Total damage27

Forge ROI

  • +1 Forge to target1
  • +1 Forge total1
  • Extra forge to lethal23
  • Blade castReady

Best Setup Line

This is the line the calculator prefers for the current turn. If the blade appears at the end, the final step shows the cast.

  1. 1. Big Bang

    3 Energy / 0 Stars → 4 Energy / 1 Stars

    +1 Energy+1 StarDraw 1Blade created in handForge +5
  2. 2. Venerate

    4 Energy / 1 Stars → 3 Energy / 3 Stars

    -1E
    -1 Energy+2 Stars
  3. 3. Spoils of Battle

    3 Energy / 3 Stars → 2 Energy / 3 Stars

    -1E
    -1 EnergyForge +12
  4. 4. Sovereign Blade

    2 Energy / 3 Stars → 0 Energy / 3 Stars

    -2E
    27 per hit1 hit27 to the marked target

Bench Check

Cards listed here were selected but left out of the best line because they did not improve the current turn enough.

Everything selected made the line, or nothing is selected yet.

Quick Reads

Stars first, spend second

The clean Regent turns front-load Venerate, Big Bang, Shining Strike, or Royal Gamble, then cash that pool into Alignment or The Smith. Spend the Stars too early and the whole line buckles.

Throne belongs early

The Sealed Throne only pays on later cards. If it is the last thing you do, you paid Stars for style and got no output back.

Sword Sage is not free damage

The extra hit is excellent only if you still have the Energy to cast the blade. If the new cost strands the blade in your hand, the card was a trap this turn.

FAQ

The common misses are usually search assumptions, not arithmetic errors.

Why did the tool leave one of my selected cards on the bench?

Because the searched line scored better without it. A selected card is still benched when spending the Energy or Stars now produces less damage, less reserve, or a worse blade cast than simply stopping.

Why can Sword Sage lower the result on some turns?

Sword Sage adds a hit, but it also raises Sovereign Blade cost by 1. If that extra cost strands the blade in hand, the card is not free damage this turn.

Does the search simulate future draw order?

No. It values immediate output plus a weighted future package like next-turn Stars, Energy, forge, and draw, but it does not pretend to know which hidden draw chain the run will reveal next.