Cookie "Gnome Scientist" Guide: 5 Star 5 Fire Rogue

Hero Review

Cookie Review: The Gnome Scientist's Delayed Explosions

"Cookie brings a mix of immediate mana reduction and delayed devastation to Empires & Puzzles. Is his Mystery Potion a recipe for success or a half-baked mechanic? We analyze his stats, synergy potential, and whether the three-turn wait is worth the payoff in the current fast-paced meta."

Read Full ReviewIn-Depth Analysis & Strategy

Special Skill

Mystery Potions

Mana Speed

Average

Reduces the mana of all enemies by 20%.
Summons an Elf Minion for each ally with 10% HP and 10% attack inherited from the caster.
All enemies receive a Mystery Potion. After 3 turns the Mystery Potion explodes and deals 450 damage to the target. After the explosion the target can't gain mana for 3 turns.

⚡ Tile Breakpoints Guide

10Base Tiles

12% Bonus

9Tiles

Family Bonus

Monthly Event - Winter

Bonus for 2/3 Unique Heroes:
+2%/ +3% health for Minions inherited from their summoner.
+5%/+10% attack for Minions inherited from their summoner.
The members of this family have additional perks in the Santa's Challenge event.

Passives

No passives found

Aether Power

Ailment Reflect

At the start of each battle, this Hero reflects cleansable status ailments they would receive to a random character on the opposing team for 6 turns.

In battles with multiple waves, the effect is refreshed at the beginning of each wave.

Talents

Class Talent

Master Evade

20% chance to dodge Special Skill damage. If damage was dodged, the following effects are also activated:

This character deals 50% damage to the attacker.

Hero Coach Info

Ascension Support

Hero Coach Date

Available Since

Dec 1st, 2025

How it works

By utilizing the Hero Coach, you can reach the Maximum Ascension of a Legendary hero instantly. This bypasses the requirement for rare 4★ Materials (like Alpha Aethers and Damaskus Blades) and ignores the traditional leveling time.

Explore Full Coach Roster

Visiting Outfitter Info

Get this costume

Visiting Outfitter Date

🎭

No Costumes Available

This hero does not currently have any costumes in the game. As a result, they do not appear in the Visiting Outfitter events.

Matching Legendary Troops

Unseen Assassin

status_effect_attack_addition_legendary_troop

Battle Master Assassin

status_effect_defense_addition_legendary_troop

Elite Knight

status_effect_attack_reduction_legendary_troop

Swashbuckler Fighter

These troops provide full Class Synergy bonuses when equipped on Rogue heroes of the Red element.

Click here to view the full guide on how to obtain and best utilize these powerful troops!

Mana Optimization Strategy

How it works

By default, Cookie has Average mana speed, requiring 10 tiles to charge. Equipping troops with a Mana Bonus can reach specific Breakpoints — the exact percentages where your tile count drops — allowing your hero to fire their special skill faster, with less tiles. Additionally, as a Rogue, this hero can unlock a +2% Mana Bonus through Emblems (Talent Tree). These bonuses can significantly lower the troop level required to reach these breakpoints.

Standard10Tiles

Optimized9Tiles

5★ Mana Troop Set

8 Variants Matching

Default10 Tiles

Optimized

9Tiles

Required Level

LVL N/A

With +2% Emblem Bonus:

LVL 28

Need Bonus:12%

Combined bonuses:+13%

Breakpoint Achieved!

5★ Mana Troop Set

12 Variants Matching

Default10 Tiles

Optimized

9Tiles

Required Level

LVL N/A

With +2% Emblem Bonus:

LVL 29

Need Bonus:12%

Combined bonuses:+13%

Breakpoint Achieved!

Merciless Wizards

Magic Troop

Default10 Tiles

Optimized

9Tiles

Required Level

LVL 17

With +2% Emblem Bonus:

LVL 11

Need Bonus:12%

Combined bonuses:+13%

Breakpoint Achieved!

Barbaric Assassins

Mana Troop

Default10 Tiles

Optimized

9Tiles

Required Level

LVL 23

With +2% Emblem Bonus:

LVL 17

Need Bonus:12%

Combined bonuses:+13%

Breakpoint Achieved!

General Information

Hero Name

Cookie "Gnome Scientist"

Rarity
ElementFire
ClassRogue
Mana SpeedAverage
Skill Types
Mana Reducers or Blockers Minions Summoners AoE Attackers (Hit-3)
SourceMonthly Event - Winter
FamilyWinter Family
Aether PowerAilment Reflect
CostumeBase
Release DateDec 1, 2023
Availability
Coach:Dec 1, 2025
HA10:Dec 1, 2025

Ascension Requirements

Tier

Food

Materials

Tier 2Ascension Cost

273K

★★★

★★★

★★

Tier 3Ascension Cost

442K

★★★

★★★

★★★

★★★

Tier 4Ascension Cost

708K

★★★★

★★★★

★★★★

★★★

Limit Break Requirements

Tier

Materials

Limit Break 1Unlock Cost

★★★★★

★★★★

★★★

LB 1 LevelsTotal Cost

★★★

★★★

Limit Break 2Unlock Cost

★★★★★

★★★★

★★★

LB 2 LevelsTotal Cost

★★★★

★★★★★

★★★★

★★★

Stats & Emblems

Simulation: 0 Emblems

Level				💪
4/80	916	968	1666	949
4/85lb1	987	1043	1795	1013
4/90lb2	1130	1193	2054	1142

Strategy

Mana Node

Talent Level

Calculated Bonuses

Attack

+255 & +3%

Defense

+36 & +3%

Health

+172 & +3%

Crit

+4%

Resource Costs

Emblems

1,740

Master

Food

6,041,800

Iron

6,041,800

+15

+36

+15

+18

+3%

+15

+3%

+15

+18

+36

+15

+3%

+4%

+50

Community Feedback

0 Strategists Contributing

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Overall Grade

Overall performance in the current meta

0v0%

Strong

0v0%

Average

0v0%

Weak

0v0%

Terrible

0v0%

Summon Value

Is this hero worth your gems and tokens?

Yes, Absolutely

0v0%

Only if you’re Pay-to-Win

0v0%

Yes, but only when featured

0v0%

Not Really

0v0%

Not at all

0v0%

Copies to Keep

How many copies are worth keeping and leveling?

None

0v0%

1 Copy

0v0%

2 Copies

0v0%

3+ Copies

0v0%

Limit Break Priority

Priority for applying Limit Breaks

LB2 (Alpha)

0v0%

LB1

0v0%

None

0v0%

Emblem Path

General emblem path preference

Sword path (Attack when possible)

0v0%

Shield path (HP and Def when possible)

0v0%

Node Strategy

Specific node priority strategy

Atk > Def > HP

0v0%

Atk > HP > Def

0v0%

Def > Atk > HP

0v0%

Def > HP > Atk

0v0%

HP > Atk > Def

0v0%

HP > Def > Atk

0v0%

Best Def Position

Best placement in a defense formation

Tank

0v0%

Flank

0v0%

Wing

0v0%

None

0v0%

Primary Use (Max 3)

Top scenarios where this hero excels

Raids/War

0v0%

Defense

0v0%

Titans

0v0%

Tournaments

0v0%

Events

0v0%

Farming

0v0%

Visual Design

What do you think of the visual design?

Amazing

0v0%

Refreshingly new

0v0%

It’s ok

0v0%

It could be better

0v0%

Very bad

0v0%

Discussion

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❓ Frequently Asked Questions about Cookie

What element and rarity is Cookie in Empires & Puzzles? +

Cookie is a 5 star Fire hero (Red) with legendary rarity.

What is Cookie's special skill? +

Cookie's special skill is called "Mystery Potions". Reduces the mana of all enemies by 20%. Summons an Elf Minion for each ally with 10% HP and 10% attack inherited from the caster. All enemies receive a Mystery Potion. After 3 turns the Mystery Potion explodes and deals 450 damage to the target. After the explosion the target can't gain mana for 3 turns.

When was Cookie released? +

Cookie was released on Dec 1, 2023.

Which family does Cookie belong to? +

Cookie belongs to the Winter Family. Bonus for 2/3 Unique Heroes:. +2%/ +3% health for Minions inherited from their summoner.. +5%/+10% attack for Minions inherited from their summoner.. The members of this family have additional perks in the Santa's Challenge event.

What is the mana speed of Cookie? +

Cookie has Average mana speed.

Hero Review

Cookie Review: The Gnome Scientist's Delayed Explosions

Special Skill

Mystery Potions

Family Bonus

Monthly Event - Winter

Passives

Aether Power

Ailment Reflect

Talents

Master Evade

Hero Coach Info

Hero Coach Date

How it works

Visiting Outfitter Info

Visiting Outfitter Date

No Costumes Available

Matching Legendary Troops

Mana Optimization Strategy

How it works

5★ Mana Troop Set

5★ Mana Troop Set

Merciless Wizards

Barbaric Assassins

General Information

Cookie "Gnome Scientist"

Ascension Requirements

Limit Break Requirements

Stats & Emblems

Simulation: 0 Emblems

Community Feedback

Overall Grade

Summon Value

Copies to Keep

Limit Break Priority

Emblem Path

Node Strategy

Best Def Position

Primary Use (Max 3)

Visual Design

Discussion

Join the Hero Discussion

Council Login Required

❓ Frequently Asked Questions about Cookie