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The Adversary Mk 3 in Slay the Spire 2

Slay the Spire 2 Monster

The Adversary Mk 3

The Adversary Mk 3 is a normal encounter with 300 base HP and 300 HP at high Ascension. Its documented pattern is Crash → Flame Beam → Barrage → repeat.

Encounter
Normal
Base HP
300
High Ascension HP
300
Known moves
3
Act
Event / unknown

Moves and intents

MoveIntentDamageBlock
CrashAttack15-
Flame BeamAttack18-
BarrageAttack + Buff10 x 2-

Attack pattern

Crash → Flame Beam → Barrage → repeat

Preparation notes

Use the move table as a damage threshold, not a script that replaces reading the fight. Ascension, multiplayer scaling, powers, and patch changes can alter the exact line. For boss-specific planning, continue to the boss guide hub.