What is Ghost in a Jar?
Gives Intangible for one turn, a uniquely strong defensive tool.
This reference covers gameplay decisions in the original Slay the Spire. Character-specific options and relic synergy can change how useful an item is, so consider your current deck, health, upcoming enemy and available resources before applying a strategy.
When and how to use it
Use to survive a massive predicted attack rather than merely saving it forever.
What to avoid
Intangible does not necessarily eliminate every point of damage.