Eth rune PLZ help

[Guru]

WTF is up w/ an Eth rune? why do people socket it into so many weopons? could some1 help me out here?

 

[ro0t]

-25% target defense...?

self-explanatory, eh?

 

[Arkhon]

Except it's bugged so it ignores Target Defense isnt it?
ie -100% Target Defence

 

[Misterwhippy]

yeah eth is bugged right now it does ITD.