Problem With Mercenaries Guild Challenges

[Appleshy]

Hi, sorry for my eng, but i have a question. I got left 1 challenge for mercenaries guild: "Kill an enemy using a thrown weapon 0/5" i but knives doesn't count. Where do i wrong and what weapon (or something else) i need?
Thanks in advance.

[KuldarYldrad]

You have to use an heavy weapon as a two-hand axe.

[Appleshy]

Thx a lot)

[assassin_smurf]

picking up the spears from an ex-guard is one of my favorites.

throwing it at another and WHOMP - they fly back

[Kytr]

That is fun to do.