
Tier 1 (Hero Level 1)
Cooldown: 15 seconds
Activate to cause Valeera's next damaging Ability and subsequent Abilities within 4 seconds to Slow targets by 20% for 4 seconds.
Activating Crippling Poison does not break Vanish.
Patch changes
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(Patch March 27, 2018) Note: Activating Crippling Poison, Wound Poison, or Thistle Tea will no longer clear queued orders or Abilities.
(Patch March 6, 2018) Note: After activating Crippling Poison and Wound Poison, visual effects on Valeera’s blades will no longer flicker while she is riding certain mounts.
(Patch January 9, 2018) Note: Slow reduced from 25 to 20%.
(Patch December 12, 2017) Note: Slow duration reduced from 5 to 4 seconds.; Valeera’s poison is no longer removed after the first damaging Ability, but instead is applied by all Valeera's Abilities for 4 seconds. This duration does not start until Valeera damages her first enemy.
(Patch February 14, 2017) Note: Duration increased from 3 to 5 seconds.