I run AV for Zor'lok. 3rd platform, I got MC'd, and put AV on a Warrior in our raid. This was the result:
[21:21:58.826] Melisondra Renew Killerrbull +0 (O: 13703)
[21:21:59.390] Killerrbull Raging Blow Teye *55986*
[21:21:59.390] Killerrbull Raging Blow Off-Hand Teye *32647*
[21:21:59.435] Killerrbull hits Teye 10738
[21:21:59.800] Teye Archimonde's Vengeance Killerrbull 54501 (A: 10389)
[21:21:59.800] Teye Archimonde's Vengeance Killerrbull 37839
[21:21:59.800] Teye Archimonde's Vengeance Killerrbull 79073
[21:21:59.800] Teye Archimonde's Vengeance Killerrbull 16486
[21:21:59.834] Teye Archimonde's Vengeance Killerrbull 24459
[21:21:59.834] Teye killed Killerrbull
[21:21:59.869] Teye Archimonde's Vengeance Killerrbull 204381 (O: 214482)
[21:22:00.585] Killerrbull dies
As you can see, he goes from full health to dead in less than a 10th of a second.
I'm laughing so hard.