Ah, I fully intend on getting the Axe, it's more the matter of whether to get all its copies to max out its limit breaks that I ponder on... although from the look of it those Epic Quests/Eidolon Orb Shop are going to be very important for me to get MLBed Eidolons.

That being said, it actually raises a new question (and hopefully the last I'll have for now), would Stolas or Quetzacoatl have more overall mileage? Or should I just aim to MLB them both?