The valour gain for illum kills has been really over tuned.
on my server i can sit and get about 180 valour every 8 seconds
if you have a nice keyboard like a G15/G19 or maby Autoit you can write a macro such as "tab 1234 tab" 1234 Being ista cast ability's on your bars and stick it on toggle repeat.
sit in the middle of the gank group afk farming forever.
Enjoy before it gets nerfed.
Not an exploit so posted here