He's outpowered by most top melees, outranged by ranged, or even both. Most melees played top will have a gap closer so you can't even farm. Most ranged can just poke you to death and if you charge them you're the one who dies. He's out of mana in 3 combos, which isn't enough to kill the ennemy.
You don't have enough mana to farm from a safe place.
So what's the point?