Playtest notes 5 Jun 2025
This is a pre-release internal note from the closed playtest, quoted as it was written for testers. It describes a build that no longer exists; treat it as history, not as a description of the current game.
Happy summer patch time!
This week Neow and Tanx are getting glow ups while we bring in a whole host of cards for everyone while focusing balance on the Underdocks.
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A lot of the map assets have new colors, values, and some updated icons and we're also packing a lot of common textures so if you notice any strange visual issues or performance problems, do let us know because the texturepacker compatibility is a little janky. Things like image compression are now used on select assets as well so if you see non-placeholder assets with artifacting or anything, feedback there is appreciated.
A good chunk of core character SFX also made it in so each playable character should have more of its audio identity.
The Timeline is taking a time out this week as we want a few more UX touches before we take a look at it anew.
Items in this note
51 cards
Relics, potions and powers
History Course
Beetle Juice
Fairy in a Bottle
Intimidating Helmet
Ringing Triangle
Infested
Strength
Chains of Binding
Flutter
Focus
Hardened Shell
Plating
Suck
Surrounded
VulnerableEnemies and events
Content
Ironclad
- Added new cards:
- Juggling
- Vicious
- Drum of Battle
Silent
- Added new cards:
- Bubble Bubble
- Graceful
- Sharp Edge
- Speedster
- Tracking
Defect
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Necrobinder
- Added new cards:
- Symbiosis
- Sleight of Flesh
- Reworked Forgotten Ritual card
Regent
- Added new cards:
- Void Form
- Terraforming
- Arsenal
- Astral harvest
- Bundle of Joy
- Make It So.
- Reworked cards:
- Pillar of Creation
- Polish
- Deprecated Eternal Solstice card
Colorless Cards
- Added new Hidden Gem card
Ancients
Balance
Ironclad
- Changed Unmovable card:
- Block gain increased from 4(6) -> 6(8)
- Cost increased from 1 -> 2
- Nerfed Taunt: now targets a specific enemy to apply Vulnerable on
Silent
- Changed Calculated Gamble card: upgrade changed from losing Exhaust -> gaining Retain
Defect
- Buffed Tesla Coil card: Energy cost decreased from 1 -> 0
Necrobinder
- Buffed Pagestorm card: Energy cost decreased from 1 -> 0
- Nerfed Pull Aggro card: upgrade Block gain decreased from 6(8) -> 6(7)
- Nerfed Sentry Mode card: Energy cost increased from 1 -> 2
- Nerfed Transfigure card: Energy cost increased from 0 -> 1
Regent
- Nerfed Dying Star card: Energy cost increased from 0 -> 1
- Changed Genesis card: rarity decreased from Rare -> Uncommon
- Changed Guiding Star card:
- Draw next turn increased from 1(1) -> 2(3)
- Upgrade damage decreased from 11(15) -> 11(14)
- Buffed Heavenly Drill card: Energy cost decreased from 3 -> 2
- Changed Hegemony card: rarity decreased from Rare -> Uncommon
- Changed Spectrum Shift card: rarity decreased from Rare -> Uncommon
- Nerfed The Smith card: Energy cost increased from 0 -> 1
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Colorless Cards
- Buffed Ultimate Defend card: upgrade Block increased from 11(14) -> 11(15)
Potions & Relics
- Nerfed Intimidating Helmet relic: Block gain decreased from 5 -> 4
- Changed Lattice of Eyes relic: rarity increased from Common -> Uncommon
- Changed Ringing Triangle relic: rarity changed from Uncommon -> Shop
Ancients
- Nerfed Tezcatara's Brightest Flame card: Energy gain decreased from 2(3) -> 1(2)
- Nerfed Tanx's Maul card: damage decreased from 6(7) -> 4(5)
- Changed Necrobinder's Veilpiercer Neow bundle: Defile -> Death's Visage
Enemies
- Buffed Fossil Stalker:
- Latch damage increased from 9(10) -> 11(13)
- Tackle damage increased from 7(8) -> 8(9)
- Changed The Infested boss combat:
- Fight move damage restructured and increased across the board
- Infested Guardian now gives more Block and Plating
- Buffed Parafright: Disrupt power amount increased from 11 -> 21
- Buffed Sewer Clam: Strength gain increased from 3 -> 4
- Buffed Thieving Hopper: Flutter power no longer decrements from non-attack damage
- Buffed Toadpole:
- Whirl move damage increased from 6(7) -> 7(8)
- Max HP increased from 24(25) -> 25(26)
Events
- Changed The Lantern Key event's History Course relic: no longer plays cards from two turns ago if you did not play cards the previous turn
Art
- Added portrait art for various cards:
- Toric Toughness
- Enfeebling Touch
- Seance
- Black Hole
- Seeking Edge
- Frantic Escape
- Added art and VFX for Tanx the Ancient
- Edited values and sizes of map assets
User interface & experience
General
- Added logic to apply a red dot in the main menu if there is a revealable Epoch
- Players can now view the leaderboard at the game over screen of a Daily Run
- Run seeds are now strings instead of numbers
- Fixed controller bumper assets in settings to not be stretched
- Fixed map node image edges looking strange
- Game over history animation now plays fun sounds
- Added new unknown map assets
- Inspect card screen animations now more closely match inspect relic screen animations
- Slightly improved feedback screen text legibility
- Added notification dot for timeline button in main menu
- Updated map drawing colors for all characters
- When submenus open, the back button now animates in nicely
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Multiplayer
- Alley-oop card can now have different hovertip description wording between the applier and their allies
Audio
- Added new SFX for characters
Wording
- Lethality modifier has been renamed to Murderous to avoid confusion with the Lethality card
- Renamed Voidborn card -> Child of the Stars
- Reworded Hardened Shell power hovertip to read as "cannot lose more than X HP each turn"
Bug fixes
Ironclad
- Whirlwind card no longer keeps playing SFX/VFX once all enemies are dead
Defect
- Fixed typo in Rebound card's description
Colorless Cards
- Eternal Armor card now triggers "gain Block from card" effects
- Fasten card now properly adds Block to Ultimate Defend card
Potions & Relics
- Fixed an infinite loop if Fairy in a Bottle is triggered while Tide's Binding relic is active
- Ranwid the Elder event is no longer encounterable if you have no potions
Enemies
- The Two Slug and Three Slug combat encounters can no longer be encountered back to back
- Cultist death animation is no longer cut off on the left
- Fixed an issue where, after shrinking Test Subject in phase 1 or 2 with Beetle Juice and then killing it, it would stay visually shrunk
- Fossil Stalker's Suck power no longer applies Strength in the middle of multi-attacks, so the number listed in their damage intent will now be accurate
- Queen boss's Chains of Binding power no longer triggers during the enemy turn
Events
- When hovering over the "Push" option in the Stone of all Time event, the Vigorous hovertip now correctly reflects the amount of damage it will add
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General
- Abandoning a Daily Run at the main menu now submits your score
- Burn status cards that have Ethereal are now properly Exhausted
- Fixed softlock when loading into a run with the Terminal modifier
- Insanity modifier can no longer give you Ancient cards
- Nostalgia card's power no longer triggers when playing cards that were duplicated by effects like History Course relic
- Run history nodes at game over can now be hovered over
- Surrounded power icon no longer has an opaque black background
Multiplayer
- Fixed issue with surrounded fights in multiplayer where the direction a single player was facing affected the damage calculation for all players
Performance
- Further compressed large images and abstract VFX
- Packed various assets into compressed texture atlas


If you haven't bought Slay The Spire 2 yet, it's time. Support the devs, they made an amazing game.

















































Fossil Stalker
Parafright
Queen
Sewer Clam
Test Subject
Thieving Hopper
Toadpole