Slay the Spire 2 Crystal Sphere Event Guide
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Slay the Spire 2 Crystal Sphere Event Guide

Mar 18, 2026
STS2.GG Team

Which Option Should You Pick in the Crystal Sphere Event?

When you encounter the Crystal Sphere, you are forced to make a choice between two distinct paths; walking away without participating is not an option. The primary conflict lies between paying a flat fee or taking on a long-term burden. The Debt Curse is a particularly nasty addition to your deck because it occupies a card slot while draining your resources. Every time you draw this unplayable card, you immediately lose 10 gold at the turn's conclusion. If you cycle through your deck frequently, this penalty can quickly surpass the initial 79-gold price of the alternative. Furthermore, removing this curse at a shop typically costs around 75 gold, making the total financial impact much higher than it first appears.

For the majority of runs, choosing Uncover Future for 79 gold is the superior strategy. Deck thinness and consistency are vital in Slay the Spire 2, and introducing a curse for a few extra tile flips is rarely a winning trade. However, Payment Plan—which grants three additional divination attempts in exchange for the Debt Curse—can be viable in niche circumstances. If your character utilizes an Exhaust-based engine, you can simply burn the curse away during combat to stop the gold drain. Additionally, if your current gold reserves are below 79 and you desperately need a power spike from the event, taking the curse might be your only way to participate. Always check your upcoming map nodes; if a Merchant isn't nearby to purge the curse, the risk of taking Debt increases significantly.

Crystal Sphere Event in Slay the Spire ...

How Does Divination Work in the Crystal Sphere Event?

After paying the entry cost, you enter a mini-game involving a grid of hidden tiles within a crystal ball. Your goal is to uncover beneficial icons representing gold, cards, or relics using your allotted divination attempts. You are given two primary methods for revealing these tiles: Small Divination and Big Divination. Small Divination exposes a tight cluster of tiles, providing precise control, while Big Divination clears a much larger radius. Regardless of which size you choose, each use consumes exactly one divination attempt from your total pool.

Strategic players must balance efficiency with risk. While Big Divination uncovers more of the board, it significantly increases the danger of hitting a negative artefact. Unlike the final reward screen, negative items revealed during the divination process are applied to your character immediately and cannot be declined. If you suspect a harmful tile is nearby, switching to Small Divinations allows you to navigate the grid with more caution. For those looking to optimize every run, "save scumming" remains a functional tactic. By quitting to the main menu and reloading after hitting a bad tile, the grid resets. This allows you to use your prior knowledge to avoid hazards, though whether you use this method depends on your personal playstyle.

What Rewards Can You Get From Divining?

The rewards hidden within the Crystal Sphere vary in value and type. Gold is the most frequent find, and a lucky divination session can often return more than the 79-gold investment required to start the event. Beyond currency, players can discover card rewards, which include powerful rare and gold-tier options to bolster their deck's strength. There are also reports of relics being hidden under the tiles, though these can be both beneficial and detrimental. It is important to remember that while negative items found during the clicking phase are forced upon you, the final loot screen allows you to skip any cards or items you do not wish to add to your inventory.

Because Slay the Spire 2 is currently in Early Access, the community is still mapping out the full extent of the reward pool. While gold and high-rarity cards are confirmed, the specific drop rates and varieties of relics are still being documented. Treat the potential for relic drops as a high-value possibility rather than a guarantee. Ultimately, the Crystal Sphere is an event that rewards map awareness and resource management. By considering your current gold, your deck's ability to handle curses, and your proximity to the next shop, you can consistently turn this encounter into a significant advantage for your run.

Slay the Spire 2 Crystal Sphere Event Guide