Stupefy

Stupefy is a World skill, found in the Vampire Skill line.

Stupefy
3553 Target: Area Base Skill: Mesmerize
Subdue enemies in front of you with your baleful gaze, stunning them for 5 seconds if they are facing your direction. This stun cannot be blocked. After the stun ends they remain stupefied, reducing their Movement Speed by 53% for 5 seconds.

Stupefy is a morph of the Mesmerize base skill. The other morph is Hypnosis.