Leblanc is an AP caster champion that is an assassin. SHe does Ap damage to other champions and enemies.
Items you wanna buy are starting Doran rnig and pots. then you buy morello or athenes, mostly morello. Then you get Ludens and get more ap.
Q is a on click ability that does damage and marks. Other abilities use mark to do more damage
W. is the jump that you go go back to
E is chain
R is replicatre other ability
You wanna go mid lane, or wherever just not jungle. Then you go farm and killl other hcmapuions. roam as much you wanna and go ahead buy more itemes. ytoure early game is better than your late game, so take advantage.