Katarina uses 2 blades..
her lore even states
"As the daughter of a prominent Noxian general many paths were open to her, but she rejected them all for the path of the blade."
last time i checked, magical damage is not the path of the blade o_o ...

her ult is even spinning with blades,
the only thing that makes sense thematically to do magic damage would be her shunpo since she teleports instantly to the target, and teleporting is pretty magical xD

In the League of Legends, there is no logic. Only victory or death.

Seriously, though, most AP champions throw bolts of magic with their basic attacks and it's still physical damage, even though it looks like a shining, golden banana of raw power.

So...are you proposing we change Katarina into an AD caster?

ohgodcleaverKat.

damage is damage

Also, Mordekaiser.

Welcome to fiction

That is kinda strange... her AD ratios are pretty bad now so she only builds AP...
You're right. She should be AD. But she is what she is now, and to be fair I prefer AP champs... Not like some AP champs don't use pure physical attacks (Akali).

EDIT: Shen'd 7 times in the time it took me to type this... Forums move fast.

kat is not a cat either.

But then getting Sorc boots, Sunfire Cape, 3 Warmogs and Abyssal Scepter would be pointless.