All
Items
Skills
Merchants
Trainers
Monsters
Events
All
Items
Catalyst

Catalyst

As of patch 9.0 (Dec 5) on Dec 5, 2025.
Catalyst
Types
When you sell this, transform your leftmost item.
Cost
2 » 4 » 8 » 16 gold
Value
0 gold
Info
History

Info


Catalyst is a small neutral item in The Bazaar. Its starting tier is Bronze. Catalyst can be dropped by Dabbling Apprentice and Trash Titan. A full list of available enchantments for Catalyst can be found below. Deep Mechanics for Catalyst are also available below.

Enchantments
Canonical


This item cannot be enchanted.

Deep Mechanics
Canonical


Catalyst

AttributeBronzeSilverGoldDiamond
SellPrice0000
BuyPrice24816
Ability

Trigger
When this item is sold

Action
Transform the left most item, excluding this item, on the
active player
's board that
are an Item
AND
are not
Legendary
into 1 item(s). (The exact item(s) are decided by the server.)

History
Canonical


Show implementation changes

9.0

Dec 3, 2025
Cost
2
2 » 4 » 8 » 16

8.0 Hotfix#5

Nov 29, 2025
Cost
2 » 4 » 8 » 16
2

8.0 Hotfix#4

Nov 28, 2025
Cost
2
2 » 4 » 8 » 16

5.0.0

Aug 13, 2025
Cost
2 » 4 » 8 » 16
2
Tooltip
When you sell this, transform your leftmost Small item.
When you sell this, transform your leftmost item.

There are changes to this item's implementation.

Deleted Ability

Trigger
When this item is sold

Action
Transform the left most item, excluding this item, on the
active player
's board that
are an Item
AND
are
Small
AND
are not
Legendary
into 1 item(s). (The exact item(s) are decided by the server.)
Added Ability

Trigger
When this item is sold

Action
Transform the left most item, excluding this item, on the
active player
's board that
are an Item
AND
are not
Legendary
into 1 item(s). (The exact item(s) are decided by the server.)

1.0.1

Apr 16, 2025
Tier
Silver
Bronze
Tags
Reagent, Mak
Loot, Common
Cost
4 » 8 » 16
2 » 4 » 8 » 16
Value
2 » 4 » 8
0
Tooltip
After you buy or sell 3 Reagents, transform this and enchant it.
When you sell this, transform your leftmost Small item.

There are changes to this item's implementation.

Deleted Ability

Prereq.
While this item has a Custom_0 exactly 2

Trigger
When the item or skill which triggered this action
is an Item
AND
is a
Reagent
is purchased

Action
Transform this item into 1 item(s). (The exact item(s) are decided by the server.)
Added Ability

Trigger
When this item is sold

Action
Transform the left most item, excluding this item, on the
active player
's board that
are an Item
AND
are
Small
AND
are not
Legendary
into 1 item(s). (The exact item(s) are decided by the server.)
Deleted Ability

Prereq.
While this item has a Custom_0 exactly 2

Trigger
When the item or skill which triggered this action
is an Item
AND
is a
Reagent
is sold

Action
Transform this item into 1 item(s). (The exact item(s) are decided by the server.)
Deleted Ability

Trigger
When the item or skill which triggered this action
is an Item
AND
is a
Reagent
is purchased

Action
Add 1 to the Custom_0 of this item (permanently)
Deleted Ability

Trigger
When the item or skill which triggered this action
is an Item
AND
is a
Reagent
is sold

Action
Add 1 to the Custom_0 of this item (permanently)
Deleted Aura
This Aura is not enabled for any tier.

Effect
Add the Custom_0 of this item [0] to the Custom_1 of this item

1.0.0 Hotfix#1

Apr 3, 2025
Tooltip
After you buy 3 Reagents, transform this and enchant it.
After you buy or sell 3 Reagents, transform this and enchant it.

There are changes to this item's implementation.

Deleted Ability

Trigger
When the item or skill which triggered this action
is an Item
AND
is a
Reagent
is purchased

Action
Add 1 to the Custom_0 of this item (permanently)
Added Ability

Prereq.
While this item has a Custom_0 exactly 2

Trigger
When the item or skill which triggered this action
is an Item
AND
is a
Reagent
is sold

Action
Transform this item into 1 item(s). (The exact item(s) are decided by the server.)
Added Ability

Trigger
When the item or skill which triggered this action
is an Item
AND
is a
Reagent
is purchased

Action
Add 1 to the Custom_0 of this item (permanently)
Added Ability

Trigger
When the item or skill which triggered this action
is an Item
AND
is a
Reagent
is sold

Action
Add 1 to the Custom_0 of this item (permanently)

1.0.0

Apr 2, 2025
Tags
Ingredient, Haste
Reagent
Tooltip
When you use the item to the left of this, Haste the item to the right of this for 1 » 2 » 3 second(s).
After you buy 3 Reagents, transform this and enchant it.
Heavy
This enchantment has been removed.
Icy
This enchantment has been removed.
Turbo
This enchantment has been removed.
Shielded
This enchantment has been removed.
Restorative
This enchantment has been removed.
Toxic
This enchantment has been removed.
Fiery
This enchantment has been removed.
Deadly
This enchantment has been removed.

There are changes to this item's implementation.

Deleted Ability

Trigger
When the item to the left is used

Action
Haste up to HasteTargets [1] card among the item to the right if it has a CooldownMax more than 0 sec for HasteAmount [1 sec » 2 sec » 3 sec]
Added Ability

Prereq.
While this item has a Custom_0 exactly 2

Trigger
When the item or skill which triggered this action
is an Item
AND
is a
Reagent
is purchased

Action
Transform this item into 1 item(s). (The exact item(s) are decided by the server.)
Added Ability

Trigger
When the item or skill which triggered this action
is an Item
AND
is a
Reagent
is purchased

Action
Add 1 to the Custom_0 of this item (permanently)
Added Aura
This Aura is not enabled for any tier.

Effect
Add the Custom_0 of this item [0] to the Custom_1 of this item

0.1.9

Mar 19, 2025
Deadly
There are changes to this enchantment's implementation.
Deleted Ability

Trigger
When the item to the left is used

Action
Add 20% to the CritChance of the item to the right if it
has a CooldownMax more than 0 sec
AND
is a
Weapon
OR
has any of the following tags:
until the end of the fight
Added Ability

Trigger
When the item to the left is used

Action
Add 20% to the CritChance of the item to the right if it
has a CooldownMax more than 0 sec
AND
is a
Weapon
OR
has any of the following tags:
until the end of the fight

0.1.8

Mar 5, 2025
Tags
Ingredient