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42471 • ICC_041
ICC 041.png
Dimensions: Full330 x 410px
ICC 041 Premium1.png
Dimensions: Full330 x 410px
Set:Knights of the Frozen ThroneKnights of the Frozen Throne
Spell school:Shadow
Cost:2 Mana icon.png
Artist:Dave Allsop
Deal 1 damage to all minions. If any die, cast this again.
Flavor text

This spell was originally designed to help warlocks clean up their hard drives.

Full tags
Wiki tags
Deal damage, Recurring
External links


Defile is a rare warlock spell card, from the Knights of the Frozen Throne set.

How to get[]

Auto-detected sources
Card packs
Knights of the Frozen Throne Pack
Wild Pack
Regular, Golden1~2
Crafting100 dustdustRegular1
Crafting800 dustdustGolden1

Known bugs[]

  • When a LegacyScavenging Hyena and one or more other beasts are in play, the Defile effect may trigger one time too often.[1] The reason for this is at this time not known.


  • If Defile kills a minion with Deathrattle, the Deathrattle will resolve before the next recast of Defile. That means if the Deathrattle summons more minions, they too will ultimately be damaged.
  • If Defile causes itself to be cast repeatedly, these additional "recasts" will not count as having been cast by the controlling player, and will therefore not trigger effects such as those of LegacyGadgetzan Auctioneer nor add to the spell count of Whispers of the Old GodsYogg-Saron, Hope's End.[2] Neither will it trigger LegacyArchmage Antonidas, which can be obtained, for example, through Mean Streets of GadgetzanKabal Courier.
  • Spell Damage effects on Defile will be recalculated for each subsequent recast, meaning that if a minion with Spell Damage dies from Defile, their effect will not carry over on the subsequent recasts.
  • Due to the potential for an infinite loop when combining Defile and Blackrock MountainGrim Patron, Defile can re-cast itself 13 times, after the 14th cast, it will stop.[3][4]
  • Similarly, having an Immune Knights of the Frozen ThroneNecrotic Geist and an Immune source of Spell Damage will also result in 14 recasts. With an Immune LegacyKnife Juggler, this can be used for an OTK combo [5]


Defile is a cheap AoE card with very large potential. If the damage kills a minion, it continues to cause damage, potentially causing a huge amount of damage in a single turn if each subsequent activation of its effect also kills a minion. This effect can be strong against Jade Golem decks, where there are many minions on board with ascending Health values. Defile can be used as an additional AoE effect for Control style Warlock decks.

In Arena[]

Defile is an above average card in Arena. Although similar 1 damage AoE effects, such as LegacyArcane Explosion, are generally considered poor cards, the potential for Defile to continue causing additional damage greatly increases its potential.


In World of Warcraft, "Defile" is an iconic ability used by Knights of the Frozen ThroneThe Lich King during his boss encounter in the Icecrown Citadel raid. The spell defiles the area under a random target. Anyone who enters the area takes Shadow damage and causes the defiled zone to grow.

In the World of Warcraft: Legion expansion, Defile was added as a level 100 talent for Unholy death knights. It works similarly to the Lich King version and replaces the similar death knight ability Death and Decay.


  • With the release of Knights of the Frozen Throne, The Grand TournamentDreadsteed's Deathrattle was changed to summon the new Dreadsteed at the end of the turn instead of right after the Deathrattle triggered; the original behavior would've caused Defile to recast infinitely. This marked the first time a card in Wild format was changed due to interactions with newly released cards.
    • Despite Dreadsteed being changed specifically to prevent infinite loops, Defile stops recasting after 13 recasts as noted above.


Defile, full art

Patch changes[]


  1. [1] HSReplay recording of Scavenging Hyrena bug
  2. Matt Place on Twitter. (2017-07-28). 
  3. Puffin on reddit. (2017-07-29). Retrieved on 2017-07-30.
  4. Peter Whalen on Twitter. (2017-07-30). 
  5. [2] Defile OTK Combo - YouTube