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The Stun Grenade is a grenade skill which stuns nearby enemies on detonation.


  • Special Effects:
    • Throws an arcing projectile which explodes on contact with an enemy or a horizontal surface.
      • The projectile bounces off of a Shieldbearer's shield without detonating.
    • Upon explosion, deals damage and inflicts a 3.5-second stun on enemies in close proximity.
  • Tags: Ranged, Explosive, NegligibleDamage, Stun
  • Legendary Version: Unconsciousness
    • Forced Affix: Long Stun
      • "+50% stun effect duration."


The blueprint for Stun Grenade is located in the Ramparts, in a secret area in the very last, far-right tower. The tower itself doesn't always spawn, so it may require a few runs to get it, but if it does, it will always be the last tower.


  • Previously named Flashbang.
    • The Stun Grenade is indeed designed after a real-life flashbang, having a similar general design and the ability to disable enemies.



  • 0.0: Introduced.
  • 0.1:
    • Base damage decreased from 30 to 20.
    • Cooldown increased from 7 to 8 seconds.
    • Stun duration decreased from 3 to 2 seconds.
    • Range decreased from 6 to 5.
    • Added tags "Explosive" and "NegligibleDamage".
  • 0.2: Cooldown increased from 8 to 9 seconds.
  • 0.4:
    • Cooldown increased from 9 to 18 seconds.
    • No longer always unlocked.
    • Unlock cost is 60 cells.
    • Now scales with Skill Stat.png Tactics.
  • 0.6: Scaling changed from Skill Stat.png Tactics to Str Skill.png Brutality/Tactics.
  • 0.7:
    • Added tag "Stun".
    • Added legendary affix "LongStun".
  • 1.3:
    • Stun duration increased from 2 to 2.5 seconds.
    • Base damage increased from 20 to 30.
  • 1.4: Scaling changed from Str Skill.png Brutality/ Tactics to Skill Hp.png Tactics/ Survival.
  • 1.9:
    • Cooldown decreased from 18 to 12 seconds.
    • Rally effect has been removed.
    • No longer activates cooldown reduction mutations.
    • Base price decreased from 2000 to 1500.
  • 2.1: Scaling changed from Skill Hp.png Tactics/ Survival to Health Stat.png Survival.
  • 2.4:
    • Base damage increased from 30 to 45.
    • Stun duration increased from 2.5 seconds to 3.5.
  • 2.9: Unlock cost decreased from 60 cells to 30.
Traps & Turrets
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Powerful Grenade Icon.pngPowerful GrenadeInfantry Grenade Icon.pngInfantry GrenadeCluster Grenade Icon.pngCluster GrenadeMagnetic Grenade Icon.pngMagnetic GrenadeStun Grenade Icon.pngStun GrenadeIce Grenade Icon.pngIce GrenadeFire Grenade Icon.pngFire GrenadeRoot Grenade Icon.pngRoot GrenadeOil Grenade Icon.pngOil GrenadeSwarm Icon.pngSwarmHunter's Grenade Icon.pngHunter's Grenade
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