ZapQuake: Zap Quake Calculator for Clash of Clans

ZapQuake helps you find the minimum Lightning (Zap) + Earthquake (EQ) spell combo for key Clash of Clans defenses and hero calculations, with Dragon Duke Rocket Backpack support for building-only 1-2 EQ checks. Unofficial fan-made tool (not affiliated with Supercell).

Last Updated: 2026-04-13
Made by LoganABBuy Me a Coffee at ko-fi.com
Spells (shared)
Lightning + Earthquake affect building results; EQ level 6-8 also damages ground heroes.
Town Hall caps
Manual
Hero Equipment (optional)
Fireball, Giant Arrow, and Rocket Backpack damage calculator.
Equipment is independent from the hero kill selector. Rocket Backpack stays building-only and checks 1-2 EQ routes.
Rocket BackpackRocket Backpack
Dragon DukeTH 15+New
Building-only: calculates 1-2 EQ routes
Off
FireballFireball
Grand WardenTH 11+
Off
Giant ArrowGiant Arrow
Archer QueenTH 9+
Off
Buildings
Pick the defense and its level.
Heroes
Ranked modifies effective HP.
Note: Earthquake damages ground heroes at EQ levels 6-8 (Minion Prince and Dragon Duke are immune).
Results
Updates live as you change inputs.
Lightning SpellZap L7Earthquake SpellEQ L5
Air Defense
Building spell-kill
Air Defense - Level 3
Best combo
1 EQ +2 Zaps (3 spells)
Total3Overkill161 HPUsing HP900Zap dmg400
All combos
  • 1 EQ + 2 Zaps - 3 spells (overkill 161 HP)
  • 0 EQ + 3 Zaps - 3 spells (overkill 300 HP)
  • 2 EQ + 2 Zaps - 4 spells (overkill 248 HP)
Barbarian King
Hero spell-kill
Barbarian King - Level 1 - None
Effective HP1445
Best combo
4 Zaps (4 spells)
Total4Overkill155 HPUsing HP1445Zap dmg400

How ZapQuake works

  1. Choose the defense or hero target you want to remove.
  2. Set your Lightning and Earthquake levels, with Town Hall caps or manual overrides when needed.
  3. Read the minimum combo, spell count, and overkill before you start your attack.
Also called
ZapQuakezap quake calculatorCOC zap calculator
Dragon Duke Rocket Backpack equipment icon
New

Dragon Duke Rocket Backpack support

Use the calculator above for Dragon Duke backpack building routes with exactly one or two EQ spells, without leaving the main ZapQuake workflow.

Supported targets

Use ZapQuake for live defense planning, spell-count comparisons, and hero spell math when you need a fast answer before an attack, including Dragon Duke Rocket Backpack building checks alongside the standard zap quake calculator flow.

Air Bombs | Lava Launcher | Roaster | Clan Castle | Monolith | Spell Tower | Inferno Tower

Hero calculations

  • Hero results include ranked modifiers in effective HP.
  • Earthquake levels 6-8 damage eligible ground heroes.
  • Minion Prince and Dragon Duke remain immune because they are air heroes.

FAQ

What is ZapQuake?

ZapQuake is a free Clash of Clans zap quake calculator for planning Lightning and Earthquake spell combinations against defenses and eligible heroes.

How do I use ZapQuake?

Pick a defense or hero target, set its level, then set your Lightning and Earthquake spell levels. ZapQuake returns the minimum combo and overkill value.

Does ZapQuake support Dragon Duke Rocket Backpack?

Yes. ZapQuake supports Dragon Duke Rocket Backpack for building calculations with one or two Earthquake spells. Dragon Duke backpack math stays building-only here, while hero results continue to use direct ZapQuake hero calculations.

Is ZapQuake the same as a COC zap calculator?

Yes. ZapQuake is a Clash of Clans (COC) zap calculator focused on Lightning and Earthquake spell planning for defenses and eligible heroes.

Does this zapquake calculator work for heroes?

Yes. ZapQuake includes hero calculations with ranked modifiers, and Earthquake levels 6-8 can damage eligible ground heroes.

Does Earthquake damage heroes in this calculator?

Yes, for ground heroes at Earthquake levels 6-8. Levels 1-5 do not affect heroes, and Minion Prince and Dragon Duke are immune because they are air heroes. Ranked modifiers are still applied to effective HP.

Is this tool official or affiliated with Supercell?

No. ZapQuake is an unofficial fan-made tool and is not endorsed by or affiliated with Supercell.

About ZapQuake

ZapQuake is a free Clash of Clans zap quake calculator. Use it to find the fewest Lightning (Zap) and Earthquake (EQ) spells needed to remove key defenses, and to run hero spell math with ranked modifiers. It also covers Dragon Duke Rocket Backpack building math for one or two EQ spells.

When to use this calculator

  • You need the fewest spells to remove a specific defense before troop deployment.
  • You want to compare zap-only versus Zap + EQ efficiency for the same target.
  • You need hero zap math that accounts for ranked modifiers.
Patch-sensitive note: recalculate every target after any balance update, because defense HP and spell calculations can shift. Reviewed April 2026.

Contact: zapquakecalculator@gmail.com

Quick links: How it works | Supported targets | Hero calculations | FAQ | Privacy Policy | Disclaimer | February Update Notes

About ZapQuake

ZapQuake is a free Clash of Clans zap quake calculator. Use it to find the fewest Lightning (Zap) and Earthquake (EQ) spells needed to remove key defenses, and to run hero spell math with ranked modifiers. It also covers Dragon Duke Rocket Backpack building math for one or two EQ spells.

When to use this calculator
  • You need the fewest spells to remove a specific defense before troop deployment.
  • You want to compare zap-only versus Zap + EQ efficiency for the same target.
  • You need hero zap math that accounts for ranked modifiers.
Notes and links
Patch-sensitive note: recalculate every target after any balance update, because defense HP and spell calculations can shift. Reviewed April 2026.

Contact: zapquakecalculator@gmail.com

Quick links: How it works | Supported targets | Hero calculations | FAQ | Privacy Policy | Disclaimer | February Update Notes