Necro Mastery – Slay the Spire 2 Card
Summon 5. Whenever Osty loses HP, ALL enemies lose that much HP as well.
Power • Rare • Cost: 2 • Necrobinder
PowerRare
Overview
Summon 5. Whenever Osty loses HP, ALL enemies lose that much HP as well.
Future stats & upgrades
When Slay the Spire 2 is fully released, this section will show the exact base and upgraded values for Necro Mastery, including damage or block numbers, special effects, and how those change on upgrade.
Synergies & deckbuilding notes
See deckbuilding guides for Necrobinder, as well as relics and other cards that work well with Necro Mastery.