Eidolon's Two Handed Weapons and Two Weapon Fighting

[Oarwind]

1. Can I use 4 arms with two greatswords with the two weapon fighting feat or does the Two Weapon Fighting feat only work with one-handed weapons.

2. If I can use a Two Handed sword as an off hand weapon using two hands how much STR damage would you add.

I want to use this for PFS, so no Multi-Weapon feat.

[Ciaran Barnes]

My instinct says no. TWF refers specifically to light and one handed weapons, also to off hand. There is no mentioning of two handed weapons.

[ExposedWires]

That seems like an easy question to answer with this simple thought experiment.

"If this build is allowed, would I have to be crazy to do anything else?"

If the answer is yes, then there is probably something preventing that build from being viable. In this case, you can't legally wield a two handed weapon in one hand. At least not as a weapon. It's too heavy. You can hold them, but you can't use them as weapons any better than you could fight me with a coffee table. Magazines and all.

[Avianfoo]

Eidolon with 4 arms can wield 2 two handed weapons. However without multiweapon fighting feat the penalties are huge making it less viable. And two weapon fighting won't work for this.

Other downside of this build is that the eidolon will have to spend 4 evo points just getting martial weapons proficiency. Which are better spent getting natural attacks.

[Threeshades]

Avianfoo wrote:

Other downside of this build is that the eidolon will have to spend 4 evo points just getting martial weapons proficiency. Which are better spent getting natural attacks.

I might be forgetting something right now, but I'm pretty sure it can just take martial weapon proficiency (greatsword) as a feat.

[Artanthos]

Yes, you can.

However, the to-hit penalty for using something other than a light weapon in the off hand is -4 and you still reduce the strength bonus applied to off-hand weapons.