Defile is a level 100 Unholy death knight talent.
Patches and hotfixes
- Patch 7.2.5 (2017-06-13): Defile damage increased by 38%.
- Patch 7.1.5 (2017-01-10): Damage increased by 20%, and Mastery per stack increased to 300 (was 200).
- Patch 7.0.3 (2016-07-19): Now available only to Unholy death knights. No longer deals increased damage, but increases Mastery.
- Patch 6.2.3 (2015-11-17): Damage has been increased by 10%.
- Patch 6.1.0 (2015-02-24): Now only reduces damage taken for Blood Death Knights.
- Hotfix (2014-10-16): Damage increased by 20%.
- Patch 6.0.2 (2014-10-14): Added.