Official card artwork from the community STS2 data source.
Card Guide
Breakthrough
Cost: 1CommonAttackIronclad
Card Effect
Lose 1 HP. Deal 9 damage to ALL enemies.
9
Damage
Upgrade
damage: +4
When to Pick Breakthrough
Breakthrough is a 1-cost attack card for the Ironclad. It provides 9 damage, lose 1 HP. AOE damage is highly valuable in multi-enemy fights (Act 2 hallways and elites). Pick this when your deck needs AoE, utility.
When to Skip
Skip this card when your deck already satisfies its role. Adding it past that point only dilutes your draw.
Upgrade Value
Medium upgrade priority. damage: +4 — a modest but useful improvement.
Synergies
No automatic synergies detected. Try pairing with same-character and same-keyword cards.