I must preface this with "I have never been a DM, so feel free to ignore."
What would the longsword's enhancement bonus be when striking a giant without Greater Magic Weapon? +3
What enhancement bonus does GMW at level 16 give? +4
These bonuses do not stack, so I would say that the sword...
Thank you. I mentioned longer than instantaneous because of spells such as Feeblemind. Yes, there would be a dim aura for awhile, but it would go away.
Do all active spells with a duration longer than instantaneous have a magical aura? Specifically, if a character using Arcane Sight studies a subject who is influenced by Charm Person or Dominate Person, would the character see the enchantment aura?