The Arc blade is far worse imo, GG is tolerable and I deem it fair. Arc Blade gives you INSANE defence, coupled with ridiculous speed and OHK. Essentially makes you a Titan with a blade. I've pumped two shotgun shells into a hunter using AB before at point blank range and he somehow survived and took me out. The speed and OHK is fine, but the increased defence needs to go, just my opinion really.