Best Co-op Character Pairings in STS2

# Slay the Spire 2 Multiplayer Synergies\n\nCo-op mode is the breakout feature of STS2. Here are the top 3 pairings:\n\n1. **Ironclad + Necrobinder**: Strength buffs from Ironclad apply to Necrobinder minions.\n2. **The Regent + The Silent**: Weapon forging combined with poison scaling creates massive defensive layers.\n3. **Dual Necro**: Double the souls, double the doom.\n\nCheck our **Co-op Synergy Tool** for detailed relic sharing maps.