You could go A/W and have a sword and a shield and still manage to put points into sword and tactics for your sheild if you wanted to go that way.
Nothing is stopping you from using a bow or a wand except you won't do much damage if you don't have the required attributes for that weapon.
Personally im using a A/Mo to give him a bit more of a self heal since the assassins tend to be a bit.....squishy if they sta in the front lines to long.. a E/A is a good idea if you shadowstep into battle... drop a few Point blank AOE spells then teleport out.
Try a few builds out as the Shing Jea Island is a great place to try the basics out.
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