comrade raoul
Explorer
I pretty much agree. However, since fighters and paladins get proficiency with heavy shields for free, the best comparison is with them, not light shields. This, again, is the core rationale for the feat: my take is that bastard swords are too good because you get to have your cake (two-handed weapon damage) and eat it, too (full shield benefits). Greatsword Parry is an attempt at a compromise. I want the greatsword to be an iconic fighter weapon that sits right between one-handed and two-handed weapons, and offers some of the benefit of each approach. To use a topical analogy, from my perspective, the greatsword should be the Mitsurugi between the one-hander-and-shield's Sophitia and the two-hander's Astaroth.Greatsword + this feat: +1 AC, +1 Ref, +3/1d10 weapon. Cost: 1 feat.
Bastard Sword + small shield: +1 AC, +1 Ref, +3/1d10 weapon. Cost: 1 feat, and must be proficient with a small shield.
It's balanced vs the bastard sword, as long as we add a prereq that's similar in magnitude to being proficient with a small shield. However, IMO the bastard sword is too good and should be removed.
So I'm most interested in criticism that takes the form of analysis about balance implications, not simulationist worries. Compared to, say, the longsword and the heavy flail, is the greatsword of Greatsword Parry balanced given the feat cost?
In other words, would it be balanced for a longsword wielder to trade a feat and a point of AC/Reflex for a 1d10 damage die and the ability to get two-hander benefits (mostly Power Attack and Reaping Strike, right?) when he wants to? I think so, but I'm not sure and I'm totally open to arguments to the contrary.