Damage reduction on barb?

[Slartibartfast]

Under which conditions barb could have such damage reduction from another barb, as below?

http://s7.postimg.org/r2q82h67f/screenshot_2016_02_12_23_24_34.jpg

I don't know for other buffs, but I had berserk (5) active, so to expect at least 700 norm on taget.

Not accusing, just wondering.

[-Aniara-]

Pylon prolly

[Ulti19]

Yeah pylon will do that.

[Slartibartfast]

Dat pylons, nowhere when you need them :)