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Monster Train 2 upgrades

The Merchant of Steel sells unit upgrades and the Merchant of Magic sells spell upgrades. A card normally has two upgrade slots; Celestial Alcove events can add upgrades beyond them. Each clan has one minor Steel stone that only appears with that clan, such as the Punished's Darkstone.

Merchant of Steel

  • Heartstone

    Upgrade a unit with +20 Health.

    Minor Clanless

  • Strengthstone

    Upgrade a unit with +14 Attack.

    Minor Clanless

  • Bravestone

    Upgrade a unit with Valor 8.

    Minor Clan-specific, Banished runs only

  • Greedstone

    Upgrade a unit with Avarice 3.

    Minor Clan-specific, Pyreborne runs only

  • Glimmerstone

    Upgrade a unit with Conduit 5.

    Minor Clan-specific, Luna Coven runs only

  • Mossystone

    Upgrade a unit with +10 Health and Regen 10.

    Minor Clan-specific, Underlegion runs only

  • Frankenstone

    Upgrade a unit with Reanimate 1.

    Minor Clan-specific, Lazarus League runs only

  • Burststone

    Upgrades a unit with Burst 2.

    Minor Clan-specific, Railforged runs only

  • Darkstone

    Upgrade a unit with Punish: Gain +8 Attack.

    Minor Clan-specific, Punished runs only

  • Furystone

    Upgrade a unit with Rage 12.

    Minor Clan-specific, Hellhorned runs only

  • Thornstone

    Upgrade a unit with +10 Health and Spikes 3.

    Minor Clan-specific, Awoken runs only

  • Runestone

    Incant: Gain Armor 2.

    Minor Clan-specific, Stygian Guard runs only

  • Shieldstone

    Upgrade a unit with Damage Shield 3.

    Minor Clan-specific, Umbra runs only

  • Wickstone

    Upgrade a unit with +15 Attack, +5 Health, and Burnout 1.

    Minor Clan-specific, Melting Remnant runs only

  • Echostone

    Upgrades a unit with +5 Attack per Echo.

    Minor Clan-specific, Wurmkin runs only

  • Dualstone

    Upgrade a unit with Dualism.

    Major

  • Frenzystone

    Upgrade a unit with Multistrike 1.

    Major

  • Immortalstone

    Upgrade a unit with Endless.

    Major

  • Largestone

    Upgrade a unit with +1 Capacity, +15 Attack, and +50 Health.

    Major

  • Smidgestone

    Reduce Capacity to 1.

    Major

  • Speedstone

    Upgrade a unit with Quick and +10 Attack.

    Major

  • Titanstone

    Upgrade a unit with Titanite.

    Major

Merchant of Magic

  • Powerstone

    Upgrade a spell with +10 Magic Power.

    Minor Magic Power

  • Surgestone

    Upgrade a spell with +20 Magic Power and gain Consume.

    Minor Magic Power

  • Emberstone

    Upgrade a spell to cost -1 Ember.

    Minor Ember Cost

  • Smolderstone

    Upgrade a spell to cost -2 Ember and gain Consume.

    Minor Ember Cost

  • Eternalstone

    Upgrade a spell to permanently remove Consume.

    Major

  • Freezestone

    Upgrade a spell to cost -1 Ember and gain Permafrost.

    Major

  • Holystone

    Heal your Pyre equal to the spell's Ember cost.

    Major

  • Keepstone

    Upgrade a spell to gain Holdover.

    Major

  • Seekstone

    Upgrade a spell to cost -1 Ember and gain Intrinsic.

    Major

  • Stackstone

    Upgrade a spell to gain Doublestack.

    Major

  • Twinstone

    Upgrade a spell to gain Spellchain.

    Major

Celestial Alcove

  • Purified Essence

    Erase card text and empty upgrade slots. Apply +50 Attack and +50 Health.

    Beacon

  • Discarded Wings

    +5 Attack. 10 Health. Ability: Flight (cooldown 2). Move to a targeted location on any floor.

    Clipped Wings

  • Archus' Wing

    +8 Attack. 15 Health. Ability: Flight (cooldown 2). Move to a targeted location on any floor.

    Clipped Wings

  • Wings of Light

    Titanite. +10 Attack. +20 Health. Ability: Flying Strike (cooldown 4). Move to a targeted location on any floor. Deal damage to the front enemy equal to this unit's Attack.

    Clipped Wings

  • Red Crown

    Endless. Summon: Equip a random equipment.

    Cult of the Lamb

  • Entropic Stone

    Upgrade a spell to gain Triplestack.

    Cult of the Lamb

  • Entropic Growth

    Permafrost. Reserve: Permanently gain +5 Magic Power.

    Cult of the Lamb

  • Entropic Energy

    Upgrade a spell to cost -4 Ember.

    Cult of the Lamb

  • Dominating Power

    +10 Attack. Strike: Apply Corruption 20.

    Fountain of Dominion

  • Dominating Authority

    Summon: Spawn a random friendly unit from your deck.

    Fountain of Dominion

  • Dominating Control

    Strike: Apply Melee Weakness 1 and Spell Weakness 1.

    Fountain of Dominion

  • Worthy Sacrifice

    Ability: Worthy Sacrifice (cooldown 2). Sacrifice. Gain 3 Ember

    Inscryption

  • Many Lives

    Reanimate 3.

    Inscryption

  • Fecundity

    Add a copy of this unit to your hand that costs +1 Ember.

    Inscryption

  • Benevolence

    Ability: Benevolence (cooldown 3). Restore friendly units to full health and grant +5 Health.

    Path of the Angel

  • Courage

    Ability: Courage (cooldown 3). Advance. Restore to full health and gain Armor equal to amount healed.

    Path of the Angel

  • Wrath

    Ability: Wrath (cooldown 3). Attack immediately.

    Path of the Angel

  • Frailty Penance

    Fragile. Celebrate: Permanently gain +10 Attack.

    Path of the Angel

  • Ascetic Penance

    Emberdrain 2. Summon: Gain 3 Ember.

    Path of the Angel

  • Frailty Absolution

    Celebrate: Permanently gain +10 Attack.

    Path of the Angel

  • Ascetic Absolution

    Summon: Gain 3 Ember.

    Path of the Angel

  • Savage Skin

    Titanskin 5.

    Path of the Angel

  • Savage Heart

    Rage 5. Revenge: Permanently gain Rage 1.

    Path of the Angel

  • Savage Spirit

    +40 Health. Gain +2 Attack for every missing 1 Health.

    Path of the Angel

Upgrade data adapted from the Monster Train 2 Wiki (CC BY-SA 4.0), checked against The Punished patch, 10 November 2026. Reviewed .

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