Armor spikes are used as a off hand weapon. Meaning at the off hand penalties and replaces your off hand attack. They do not prevoke a AoO. They can be enchanted as a weapon and you can take weapon spacific feats with them.
As useing a Greatsword and armor spikes. A Two handed attack is a primary attack, you are left with your off hand attack that normaly is unavalable. But with armor spikes it is avalable. You get all the penaltise of useing two weapons when useing them in a Full attack action.
2H sword is at +Str damage and armor spikes are at 1/2 Str damage following the rule for 2WF. You get the normal negitives to attacks as with 2WF.
Its very simple.
As useing a Greatsword and armor spikes. A Two handed attack is a primary attack, you are left with your off hand attack that normaly is unavalable. But with armor spikes it is avalable. You get all the penaltise of useing two weapons when useing them in a Full attack action.
2H sword is at +Str damage and armor spikes are at 1/2 Str damage following the rule for 2WF. You get the normal negitives to attacks as with 2WF.
Its very simple.
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