i practically invented it, i named it surprise atk lucian. its an amazing build, nowadays its even better you could do even better, if you manage your resouces better, go for transcendence and gathering storm in the secondary, with adaptative force or ability haste, not atk speed. The build is better like this now: Eclipse or drakthar as mythic, Collector, Sanguine blade, serylda or dominik (mainly with bulky tanks) and youmuu or black cleaver, the final decides in the match. The primary rune was predator, to just use it with youmuu and R to insta death, from that came the name surprise atk but dark harvest its better to scale, but you change lucian from the great early to a mid-late carry