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The Tome of Yyahan

The Tome of Yyahan

As of patch 9.0 (Dec 5) on Dec 5, 2025.
The Tome of Yyahan
Types
Relic
When you transform a Reagent, permanently gain 4 » 8 » 12 Regen.
At the start of each day, get a Small Reagent.
Tags
Silver+
Item
Medium
Mak
Regen
Cost
8 » 16 » 32 gold
Value
4 » 8 » 16 gold
History
9.0 8.0 7.0 6.0 5.0.0 3.0.0 2.0.0 1.0.0 Hotfix#4 1.0.0 0.1.9
Info
Merchants
History

Info

The Tome of Yyahan is a medium Mak item in The Bazaar. Its starting tier is Silver. As Mak, you can find this item at Jay Jay, Barkun, Herma, Kina, Mittel, Silvia, Luxe, Goldie, Quixel and The Antiquarian. A full list of available enchantments for The Tome of Yyahan can be found below. Deep Mechanics for The Tome of Yyahan are also available below.

Enchantments
Canonical

Heavy ❯

At the start of each day, get a Mothmeal.

Golden
Can't be enchanted with Golden.
Icy
Can't be enchanted with Icy.
Turbo ❯

At the start of each day, get a Cloud Wisp.

Shielded
Can't be enchanted with Shielded.
Restorative ❯

At the start of each day, get a Myrrh.

Toxic ❯

At the start of each day, get a Hemlock.

Fiery ❯

At the start of each day, get a Sulphur.

Shiny ❯

This has double Regen.
BazaarDB automated finding: The tooltip says this has double Regen, but the card gains permanent player Regen by modifying HealthRegen directly, not by using RegenApplyAmount. The Shiny enchantment's effect has no functional impact.
Confirm with Deep Mechanics.

Deadly ❯

At the start of each day, get an Ionized Lightning.

Radiant ❯

Adjacent items are affected by Freeze and Slow for half as long.

Obsidian ❯

At the start of each day, get a Shard of Obsidian.

Deep Mechanics
Canonical

The Tome of Yyahan (Not enchanted)

AttributeSilverGoldDiamond
Custom_04812
SellPrice4816
BuyPrice81632
Ability
Medium
Silver
Gold
Diamond

Trigger
At the beginning of each day

Action
Spawn 1 card(s) for the
active player
(the exact card(s) are decided by the game server)
Ability
Low
Silver
Gold
Diamond

Trigger
When any item on your board or in your stash that is a
Reagent
 is transformed

Action
Add the Custom_0 of this item [4 » 8 » 12] to the HealthRegen of your player (permanently)

Heavy The Tome of Yyahan

Tooltip
At the start of each day, get a Mothmeal.
Ability
Medium
Silver
Gold
Diamond

Trigger
At the beginning of each day

Action
Spawn 1 card(s) for the
active player
(the exact card(s) are decided by the game server)

Turbo The Tome of Yyahan

Tooltip
At the start of each day, get a Cloud Wisp.
Ability
Medium
Silver
Gold
Diamond

Trigger
At the beginning of each day

Action
Spawn 1 card(s) for the
active player
(the exact card(s) are decided by the game server)

Restorative The Tome of Yyahan

Tooltip
At the start of each day, get a Myrrh.
Ability
Medium
Silver
Gold
Diamond

Trigger
At the beginning of each day

Action
Spawn 1 card(s) for the
active player
(the exact card(s) are decided by the game server)

Toxic The Tome of Yyahan

Tooltip
At the start of each day, get a Hemlock.
Ability
Medium
Silver
Gold
Diamond

Trigger
At the beginning of each day

Action
Spawn 1 card(s) for the
active player
(the exact card(s) are decided by the game server)

Fiery The Tome of Yyahan

Tooltip
At the start of each day, get a Sulphur.
Ability
Medium
Silver
Gold
Diamond

Trigger
At the beginning of each day

Action
Spawn 1 card(s) for the
active player
(the exact card(s) are decided by the game server)

Shiny The Tome of Yyahan

Tooltip
This has double Regen.
Aura
Silver
Gold
Diamond

Effect
Multiply the RegenApplyAmount of this item by 2

Deadly The Tome of Yyahan

Tooltip
At the start of each day, get an Ionized Lightning.
Ability
Medium
Silver
Gold
Diamond

Trigger
At the beginning of each day

Action
Spawn 1 card(s) for the
active player
(the exact card(s) are decided by the game server)

Radiant The Tome of Yyahan

Tooltip
Adjacent items are affected by Freeze and Slow for half as long.
Aura
Silver
Gold
Diamond

Effect
Add 50 to the PercentFreezeReduction of adjacent items
Aura
Silver
Gold
Diamond

Effect
Add 50 to the PercentSlowReduction of adjacent items

Obsidian The Tome of Yyahan

Tooltip
At the start of each day, get a Shard of Obsidian.
Ability
Medium
Silver
Gold
Diamond

Trigger
At the beginning of each day

Action
Spawn 1 card(s) for the
active player
(the exact card(s) are decided by the game server)

History
Canonical

Show implementation changes

9.0

Dec 3, 2025
Golden
This enchantment has been removed.
Icy
This enchantment has been removed.
Shielded
This enchantment has been removed.
Heavy
Tooltip
The first time you fall below half Health each fight, Slow 3 items for 4 second(s).
At the start of each day, get a Mothmeal.
There are changes to this enchantment's implementation.
Deleted Ability
Immediate
Silver
Gold
Diamond

Prereq.
While your player has a Health less than 0.5 times, rounding up, the HealthMax of your player

Trigger
When your player loses Health

Action
Add 1 to the Custom_4 of this item until the end of the fight
Deleted Ability
Low
Silver
Gold
Diamond

Prereq.
While this item has a Custom_4 exactly 0

Prereq.
While your player has a Health less than 0.5 times, rounding up, the HealthMax of your player

Trigger
When your player loses Health

Action
Slow up to SlowTargets [3] random items on your opponent's board that have a CooldownMax more than 0 sec for SlowAmount [4 sec]
Added Ability
Medium
Silver
Gold
Diamond

Trigger
At the beginning of each day

Action
Spawn 1 card(s) for the
active player
(the exact card(s) are decided by the game server)
Attribute
Custom_4
0
Turbo
Tooltip
The first time you fall below half Health each fight, Haste 3 items for 4 second(s).
At the start of each day, get a Cloud Wisp.
There are changes to this enchantment's implementation.
Deleted Ability
Immediate
Silver
Gold
Diamond

Prereq.
While your player has a Health less than 0.5 times, rounding up, the HealthMax of your player

Trigger
When your player loses Health

Action
Add 1 to the Custom_4 of this item until the end of the fight
Deleted Ability
Low
Silver
Gold
Diamond

Prereq.
While this item has a Custom_4 exactly 0

Prereq.
While your player has a Health less than 0.5 times, rounding up, the HealthMax of your player

Trigger
When your player loses Health

Action
Haste up to HasteTargets [3] random items on your board that have a CooldownMax more than 0 sec for HasteAmount [4 sec]
Added Ability
Medium
Silver
Gold
Diamond

Trigger
At the beginning of each day

Action
Spawn 1 card(s) for the
active player
(the exact card(s) are decided by the game server)
Attribute
Custom_4
0
Restorative
Tooltip
The first time you fall below half Health each fight, Heal 120.
At the start of each day, get a Myrrh.
There are changes to this enchantment's implementation.
Deleted Ability
Immediate
Silver
Gold
Diamond

Prereq.
While your player has a Health less than 0.5 times, rounding up, the HealthMax of your player

Trigger
When your player loses Health

Action
Add 1 to the Custom_4 of this item until the end of the fight
Deleted Ability
Low
Silver
Gold
Diamond

Prereq.
While this item has a Custom_4 exactly 0

Prereq.
While your player has a Health less than 0.5 times, rounding up, the HealthMax of your player

Trigger
When your player loses Health

Action
Heal your player for HealAmount [120]
Added Ability
Medium
Silver
Gold
Diamond

Trigger
At the beginning of each day

Action
Spawn 1 card(s) for the
active player
(the exact card(s) are decided by the game server)
Attribute
Custom_4
0
Toxic
Tooltip
The first time you fall below half Health each fight, Poison 12.
At the start of each day, get a Hemlock.
There are changes to this enchantment's implementation.
Deleted Ability
Immediate
Silver
Gold
Diamond

Prereq.
While your player has a Health less than 0.5 times, rounding up, the HealthMax of your player

Trigger
When your player loses Health

Action
Add 1 to the Custom_4 of this item until the end of the fight
Deleted Ability
Low
Silver
Gold
Diamond

Prereq.
While this item has a Custom_4 exactly 0

Prereq.
While your player has a Health less than 0.5 times, rounding up, the HealthMax of your player

Trigger
When your player loses Health

Action
Poison your opponent for PoisonApplyAmount [12]
Added Ability
Medium
Silver
Gold
Diamond

Trigger
At the beginning of each day

Action
Spawn 1 card(s) for the
active player
(the exact card(s) are decided by the game server)
Attribute
Custom_4
0
Fiery
Tooltip
The first time you fall below half Health each fight, Burn 12.
At the start of each day, get a Sulphur.
There are changes to this enchantment's implementation.
Deleted Ability
Immediate
Silver
Gold
Diamond

Prereq.
While your player has a Health less than 0.5 times, rounding up, the HealthMax of your player

Trigger
When your player loses Health

Action
Add 1 to the Custom_4 of this item until the end of the fight
Deleted Ability
Low
Silver
Gold
Diamond

Prereq.
While this item has a Custom_4 exactly 0

Prereq.
While your player has a Health less than 0.5 times, rounding up, the HealthMax of your player

Trigger
When your player loses Health

Action
Burn your opponent for BurnApplyAmount [12]
Added Ability
Medium
Silver
Gold
Diamond

Trigger
At the beginning of each day

Action
Spawn 1 card(s) for the
active player
(the exact card(s) are decided by the game server)
Attribute
Custom_4
0
Deadly
Tooltip
Your Regen items have +40% Crit Chance.
At the start of each day, get an Ionized Lightning.
There are changes to this enchantment's implementation.
Added Ability
Medium
Silver
Gold
Diamond

Trigger
At the beginning of each day

Action
Spawn 1 card(s) for the
active player
(the exact card(s) are decided by the game server)
Deleted Aura
Silver
Gold
Diamond

Effect
Add 40% to the CritChance of items on your board that
can Crit
AND
are tagged
Regen
Obsidian
Tooltip
The first time you fall below half Health each fight, deal 120 Damage.
At the start of each day, get a Shard of Obsidian.
There are changes to this enchantment's implementation.
Deleted Ability
Immediate
Silver
Gold
Diamond

Prereq.
While your player has a Health less than 0.5 times, rounding up, the HealthMax of your player

Trigger
When your player loses Health

Action
Add 1 to the Custom_4 of this item until the end of the fight
Deleted Ability
Low
Silver
Gold
Diamond

Prereq.
While this item has a Custom_4 exactly 0

Prereq.
While your player has a Health less than 0.5 times, rounding up, the HealthMax of your player

Trigger
When your player loses Health

Action
Deal DamageAmount Damage [120] to your opponent
Added Ability
Medium
Silver
Gold
Diamond

Trigger
At the beginning of each day

Action
Spawn 1 card(s) for the
active player
(the exact card(s) are decided by the game server)
Attribute
Custom_4
0

8.0

Nov 5, 2025
Attribute
Custom_0
5 » 10 » 15
4 » 8 » 12
Tooltip
When you transform a Reagent, permanently gain
5 » 10 » 15
4 » 8 » 12
Regen.

7.0

Oct 8, 2025
Passive
At the start of each day, get a Small Reagent.

There are changes to this item's implementation.

Added Ability
Medium
Silver
Gold
Diamond

Trigger
At the beginning of each day

Action
Spawn 1 card(s) for the
active player
(the exact card(s) are decided by the game server)

6.0

Sep 10, 2025
Attribute
Custom_0
0
5 » 10 » 15
Golden
This has double value.
There are changes to this enchantment's implementation.
Added Aura
Silver
Gold
Diamond

Effect
Multiply the SellPrice of this item by 2
Deadly
Tooltip
Your Regen items have +
30
40
% Crit Chance.
There are changes to this enchantment's implementation.
Deleted Aura
Silver
Gold
Diamond

Effect
Add 30% to the CritChance of items on your board that
can Crit
AND
are tagged
Regen
Added Aura
Silver
Gold
Diamond

Effect
Add 40% to the CritChance of items on your board that
can Crit
AND
are tagged
Regen

There are changes to this item's implementation.

Deleted Ability
Low
Silver
Gold
Diamond

Trigger
When any item on your board or in your stash that is a
Reagent
 is transformed

Action
your player gains RegenApplyAmount [5 » 10 » 15] Regen (permanently)
Added Ability
Low
Silver
Gold
Diamond

Trigger
When any item on your board or in your stash that is a
Reagent
 is transformed

Action
Add the Custom_0 of this item [5 » 10 » 15] to the HealthRegen of your player (permanently)

5.0.0

Aug 13, 2025
Radiant
Adjacent items are affected by Freeze and Slow for half as long.
There are changes to this enchantment's implementation.
Added Aura
Silver
Gold
Diamond

Effect
Add 50 to the PercentFreezeReduction of adjacent items
Added Aura
Silver
Gold
Diamond

Effect
Add 50 to the PercentSlowReduction of adjacent items
Restorative
Tooltip
The first time you fall below half Health each fight, Heal 180.
The first time you fall below half Health each fight, Heal 120.
Fiery
Tooltip
The first time you fall below half Health each fight, Burn 18.
The first time you fall below half Health each fight, Burn 12.
Deadly
Tooltip
Your Regen items have +
25
30
% Crit Chance.
There are changes to this enchantment's implementation.
Deleted Aura
Silver
Gold
Diamond

Effect
Add 25% to the CritChance of items on your board that
can Crit
AND
are tagged
Regen
Added Aura
Silver
Gold
Diamond

Effect
Add 30% to the CritChance of items on your board that
can Crit
AND
are tagged
Regen

3.0.0

Jun 4, 2025
Deadly
There are changes to this enchantment's implementation.
Deleted Aura
Silver
Gold
Diamond

Effect
Add 25% to the CritChance of items on your board that
have a CooldownMax more than 0 sec
AND
are tagged
Regen
Added Aura
Silver
Gold
Diamond

Effect
Add 25% to the CritChance of items on your board that
can Crit
AND
are tagged
Regen

2.0.0

May 7, 2025
Tooltip
When you transform a Reagent, permanently gain 5 » 10 » 15 Regeneration.
When you transform a Reagent, permanently gain 5 » 10 » 15 Regen.
Radiant
This enchantment has been removed.
Shiny
Tooltip
This has double Regeneration.
This has double Regen.
Deadly
Tooltip
Your Regeneration items have +25% Crit Chance.
Your Regen items have +25% Crit Chance.

1.0.0 Hotfix#4

Apr 9, 2025
Obsidian
The first time you fall below half Health each fight, Deal 120 Damage.
There are changes to this enchantment's implementation.
Added Ability
Low
Silver
Gold
Diamond

Prereq.
While this item has a Custom_4 exactly 0

Prereq.
While your player has a Health less than 0.5 times the HealthMax of your player

Trigger
When your player loses Health

Action
Deal DamageAmount Damage [120] to your opponent
Added Ability
Immediate
Silver
Gold
Diamond

Prereq.
While your player has a Health less than 0.5 times the HealthMax of your player

Trigger
When your player loses Health

Action
Add 1 to the Custom_4 of this item until the end of the fight

1.0.0

Apr 2, 2025
This has been added.

0.1.9

Mar 19, 2025
This has been removed.