PoE Champion, Vaal Smite builds without March of the Legion

I have been playing Doryani Prototype smite and had an absolute blast of a league. &x200B; But I think its time to transition and make up my own shit and have some fun, and the main downside of Armour Stacking is dealing with mana siphoner. By switching from Doryani to original sin, I can avoid that downside altogether (with the loss of like 75% dps) &x200B; But I figure, I don't need 100m dps to map so this should work in theory, but something I havent considered is if its even worth using smite at all as my main attack. Not sure if there are other options. I am also pretty su