|The subject of this article was removed from World of Warcraft in patch 4.0.1.
|Talent tree||Blood, Tier 7|
Hysteria is a Death knight ability that allows the death knight to induce a friendly unit into a killing frenzy for 30 sec.
- Patch 3.1.0 (14-Apr-2009): This ability now causes the target to lose health rather than take damage.
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