From Wowpedia
Jump to: navigation, search

rank 11, is now obtainable trough the trainer User:CrazyJack/Sig 08:26, 4 January 2007 (EST)

Use it on the tank(s) before a pull (before they enter combat) so that its ticks will heal the damage of the first few hits done to him without putting you into combat, reducing your threat and increasing the tank's aggro (since the mob thinks he's healing himself).

Is this information confirmed by any testing?