Make Duskblade's (NEW) Passive Nighstalker MELEE only please

https://1.bp.blogspot.com/-rpkoxpjRlzc/WAbQQtBv1HI/AAAAAAAAWYE/5F9p5Uyf8-AFu8KOuNSPF8CK2BA77eA_QCLcB/s1600/duskblade.jpg

THe passive is insanely ridiculous on ranged carrys because they can walk in and out of sight to get the extra damage off.