Talk:Blade of the Ruined King/@comment-88.91.21.212-20130301142138/@comment-58.172.168.114-20130301150838

Nope, it specifies it works only on attacks - meaning it's an on-hit effect. It will work with any autoattack, or auto modifiers such as Renek's W (activating twice or 3 times), Shyv's Q, Wukong's Q, etc.