The Eye of the Storm is the final boss fight, unless the player has met the conditions to reach the real final fight. While the encountered boss is initially the Frost Guardian (Frost Wizard), the first phase will change based on the deck that previously won against it.
Default Phase 1
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Spoilers Ahead
The content ahead may contain spoilers for the following:
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When the player first encounters the Eye of the Storm, they will fight the Frost Guardian (Frost Wizard). Once the Eye of the Storm is defeated, the Emperor Shade will corrupt the player's leader and deck. This will make them the new first phase of the boss fight, and the cards that will fight alongside them will resemble the deck the player had. It is possible to reset the leader if the player satisfies certain conditions.
Mechanics
The Eye of the Storm fight starts with the Frost Wizard at the front and 3 other enemies, and has 2 additional waves. The Frost Wizard has the unique passive ability to add attack equal to health lost to itself and current allies. Health restored that are again lost will continue to add attack in this way.
Enemies
| Image | Card Name |  Health
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 Attack
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 Counter
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Other | Description |
|---|---|---|---|---|---|---|
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Frost Guardian | 60 | 0 | 4 |  Resist Snow
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When Health lost, add equal Attack to self and allies
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Bigfoot | 15 | 7 | 4 | Aimless | |
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Grink | 8 | 1 | 2 | Apply 2  Frost
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Grizzle | 16 | 4 | 5 | Resist Snow
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Apply 3  Snow
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Ice Forge | 2 | While active, add +3 Attack to all allies and -3 Attack to all enemies
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Mega Mimik | 3 | 5 | Trigger when an ally attacks Lose 1  Scrap
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Plum | 15 | 2 | 3 | Restore 4 Health to all allies
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Rockhog | 7 | 4 | 6 | While active, add x1  Frenzy to all allies
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Spike Wall | 4 | 4 | Reaction | Frontline Smackback |
Phase 2
The second phase of the boss is always against the Frost Guardian (Phase 2).
Mechanics
Once phase 1 is defeated, the boss immediately transforms into the Frost Guardian and summons basic enemies to fill the board. Enemies summoned this way are chosen randomly from a pool of 5 enemies. The Frost Guardian starts with 999 Health and 2 Attack, but loses half of its current health and gains attack every time an ally is killed. It cannot summon any additional enemies after this, besides those that would have spawned during phase 1.
Strategy
Depending on the build, it may be beneficial to start the second phase earlier or later. Because the second phase buffs based on cards that get killed, starting it too early may quickly increase the attack of the Frost Guardian, and more cards are added to enemy waves to replace those that get destroyed.
Enemies
Note: Every enemy here can spawn once, except for Grink that can spawn twice.
| Image | Card Name | Health
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Attack
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Counter
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Other | Description |
|---|---|---|---|---|---|---|
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Frost Guardian | 999 | 2 | 2 | Resist Snow
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When an ally is killed, lose half Health and gain +2 Attack
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Grink | 8 | 1 | 2 | Apply 2 Frost
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Ooba Bear | 6 | 4 | 3 | When hit, apply 2 Snow to the attacker
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Porkypine | 6 | 2 | 4 | Barrage | |
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Winter Worm | 10 | 8 | 6 | When hit, reduce Attack by 1
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Alternate Phase 1
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Spoilers Ahead
This content may contain spoilers! Continue reading at your own risk! |
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Once the Eye of the Storm is defeated without the player meeting the conditions to activate the real final fight, the Emperor Shade will corrupt the player's leader and deck. This will make them the new first phase of the boss fight, and the cards that will fight alongside them will resemble the deck the player had. Instead of items, however, other enemy cards will substitute in will similar abilities.
Mechanics
Effects from Charms equipped to a leader or any Companion will remain applied in their corrupt form, with the exceptions of Pinch Charm, Bling Charm, Hog Charm, and Spark Charm. Items with Charms applied, however, will not carry over to the substitution card. Then, 10-12 Health is added to each corrupt card, rounded up to the nearest even number, and +1 to their effects or Attack is randomly added, twice.
On top of Charms and the above bonuses, corrupted leaders gain the following additional bonuses: Their Health is multiplied by 3, rounded up to the nearest even number, they gain 
Resist Snow, and +1 Counter. If the player had the Titan Bell active when their leader gets corrupted, the corrupted cards will retain a +2 Health bonus, even when Titan Bell is turned off.[verification requested]
Strategy
The trick with the first phase of this fight is that the stronger a player's final deck, the tougher this boss fight becomes. Players will need to be familiar with the strengths and weaknesses of the tribes and cards to help find a winning strategy.
It is worth noting that decks built upon buffed Item cards will not always translate into stronger enemy decks, as substitution cards do not keep Charms of the cards they stand in for.
Card Replacements
| Original Image | Original Name | Replacement Image | Replacement Name | Health
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Attack
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Counter
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Other | Description |
|---|---|---|---|---|---|---|---|---|
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Egg |  |
Dregg | 4 | 5 | 5 | x3 Frenzy
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Card Changes
| Image | Card Name | Health
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Attack
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Counter
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Other | Description | Changes |
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Berry Sis | 20 | 4 | 3 | When hit, add lost Health to a random ally
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+12 Health +2 Attack
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Bonnie | 14 | 4 | Restore 5 Health to all allies
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+11 Health +3 restored Health
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Booshu | 16 | 5 | 5 | Restore 6 Health to all allies
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+12 Health +5 Attack-1 Counter+3 restored Health
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Chompom | 16 | 3 | 3 | 13  Shell
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Deal additional damage equal to Shell
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+13 Health +2 Attack+10 Shell
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Dimona | 18 | 4 | 3 | Apply 3  Demonize
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+12 Health +4 Attack+2 applied Demonize
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Foxee | 16 | 1 | 3 | x3 Frenzy
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+13 Health
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Kernel | 20 | 5 | 4 | When hit, apply 2 Shell to all allies
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+12 Health +2 Attack-1 applied Shell, but applies to all allies instead of the ally behind.
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Loki | 18 [verification requested] |
2 | 3 | Aimless Apply 3 Demonize
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+13 Health +2 applied Demonize
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Pootie | 14 | 3 | 2 | When destroyed, add x2 Frenzy to a random ally
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+13 Health +2 Attack-1 CounterAdditional x1 applied Frenzy when killed
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Scaven | 18-20 [verification requested] |
7 | 3 | Trash 1 | +10 Health +2 Attack
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Shelly | 15 | 3 | 3 | Apply 3 Shell to all allies
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+11 Health +2 AttackEffect applies to all allies on trigger instead of when an ally gets a kill | |
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Sneezle | 18 | 6 | 3 | +12 Health +4 AttackRemoves ability | ||
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Snoffel | 16 | 4 | Apply 1 Snow to all enemies
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+12 Health
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Splinter | 16 [verification requested] |
6 | 4 | When an enemy is deployed, copy their effects | +12 Health +2 AttackEffect changed to copy effects of the first enemy deployed. | |
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Tusk | 16 | 4 | 5 | While active, add 3  Teeth to all allies
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+11 Health +2 Attack
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Vesta | 20 | 0 | 4 | Apply 5  Overburn
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+12 Health Applies 5 Overburn instead of doubling existing stacks
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Wallop | 20 | 14 | 4 | +11 Health +10 AttackRemoves ability |
Card Substitutions
| Cards | |
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| Leaders | Snowdwellers Leaders • Shademancers Leaders • Clunkmasters Leaders |
| Pets | • • • • • • |
| Companions | • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • |
| Shades | • • • • • • • • • • • • |
| Clunkers | • • • • • • • • • • • • • • • • • • • • • • • • • • • |
| Items | • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • |
| Enemies | • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • |
| Enemy Clunkers | • • • • • • • • |
| Minibosses | • • • • • • • • • • • • • • • • |
| Bosses | • • • • • • • • • • • • |