User blog comment:Tyrant Belial/Feral Flare tests/@comment-4636093-20140407152036/@comment-4636093-20140408102947

The on hit from Feral Flare does trump the 15 AD from the SotEL, but NOT the 20% increased damage from all sources.

And Gunblade is not a terrible item on Skarner. Where are you getting that from? And what does single target have to do with anything?