ネクロバインダー

• Type: Power
• Cost: 2
• Effect: Summon 5. Whenever Osty loses HP, ALL enemies lose that much HP as well.

Upgraded

• Effect: Summon 8. Whenever Osty loses HP, ALL enemies lose that much HP as well.

A 2-cost Power Necrobinder card. Permanent passives like this compound across a fight, so their upside grows with every extra turn you survive to use them.

Land it as early as the energy curve allows — the payoff scales with how many turns it stays in play. Effect: Summon 5. Whenever Osty loses HP, ALL enemies lose that much HP as well..

• Power-count references — cards that benefit from the number of Powers in play
• Energy generators — the faster you land Powers, the more value they accumulate
• Effect upgraders — relics that enhance Power effects across the run