How can I tell if a weapon is one or two handed?
I am forging some new weapons for myself, but I don't want to waste my hard earned resources on a two-handed weapon. (I am proficient in one-handed battle)
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The material type will not affect whether or not its one or two handed.
(Note that daggers do not benefit from one-handed skill perks Armsman or Bladesman. But instead they benefit from the perks in the sneak tree, namely Backstab and Assassin's Blade. Source)
Finally, here are the two handed weapon types so you know which ones to avoid:
There are also Bows, which benefit from neither one handed perks and levels nor two handed perks and levels.