What is Block Potion?
Supplies immediate Block in a turn with insufficient defensive cards.
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 before taking a major hit, especially with a slow scaling deck.
What to avoid
Holding it through an avoidable lethal hit defeats its purpose.