Slay the Spire 2 v0.103.3 (+9 Trainer)

Slay the Spire 2 continues the roguelike deckbuilder formula, sending you up the spire one randomized encounter at a time. Cependant, low energy, thin shields, and weak card rewards can end a promising run before you finish testing a build. Shop prices and card rarity rolls also limit how freely you can experiment with new strategies. C'est pourquoi, Mul0’s 9 Trainer for Slay the Spire 2 removes these limits for game version v0.103.3, last updated 10/06/2026. It targets the Steam release and covers health, resources, card rewards, and shop interactions.

The Deckbuilding Arsenal

Nine options split into two groups survival and resources, and card rewards and shop control. Together, they let you test builds without worrying about a single bad draw ending your climb.

Survival and Resources

Numpad 1 Unlimited Health Keeps your health from dropping to a fatal level.
Numpad 2 Unlimited Energy & Stars Stops your energy from decreasing when you play cards.
Numpad 3 Unlimited Shields Stops your shield from decreasing when you take damage.
Numpad 4 Money Multiplier Multiplies the amount of money you gain by two.
Numpad 9 Increased Card Damage Increases the damage dealt by your attack cards.

Card Rewards and Shop Control

Numpad 5 Always Upgrade Card Rewards Makes new card rewards always appear upgraded.
Numpad 6 Max Card Reward Rarity Forces card rewards to always show the highest rarity.
Numpad 7 Free Purchase in Shop Lets you buy shop items for free after entering the shop.
Numpad 8 Increased Potion Slots x10 Increases your potion slot capacity tenfold.

Important Trainer Instructions and Tips

Follow this order closely, since the trainer needs the game fully loaded first.

Supported version Slay the Spire 2 v0.103.3, last updated 10/06/2026.
Launch order Start the game and wait until it finishes loading into gameplay, not just the main menu, then run the trainer.
Activation Click the broken chain icon in the upper left panel of the trainer to connect before using any hotkeys.
Num Lock Enable Num Lock so the numpad hotkeys respond correctly.
Antivirus notes Some antivirus tools flag trainers due to memory hooking. Add an exception if you trust the source.

This trainer is intended for single player use only.

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