I'm torn on the issue... I loved having a wyvern pet, and I don't mind being a little weaker if it's doing damage with me. The problem is that in most end-game fights, the AoE is so massive that the wyvern dies quickly. If that can be balanced somehow, such that I'm not gimp for end-game, I'll take the wyvern. If that can't be done, sadly, I'll pass.