1)Deathfire Grasp 2)Magic Pen. boots 3)Void Staff 4)Rabadons Deathcap 5)Liandry's torment 6)Banshee or Guardian That's how i go LeBlanc Cheers!
Why not both, or you mean as first item? Anyways, if you don't have mana problems and don't really need magic res get DFG asap.
LeBlanc=Jarvan IV Did you know that jarvan is leblanc ? Check it out: https://www.youtube.com/watch?v=k0dBvCNk4qA&list=UUUf53DHwoQw4SvETXZQ2Tmg