Skill ID 490122 : The damage you get from the buff scales with the damage you get. When I attack, I get 24 hits in 4 seconds. With 2 hits I get 45-50 hits from the buff. So if I get an 800k hit from aggro or an aoe I get 24x17k. But sometimes you get 2-7 aoes as a meele. You would be dead right away. This buff is suicide at the moment.
Each damage is divided to be inflicted later, not just last hit.
If you get 1kk damage without buff, you will get 650k with buff and receive 350k + 20% in 4 seconds. This is not a buff to neglect overall damage, but slow it down.
Greetings