Ahnehnois
First Post
True.The duration is ridiculous.
If you have a particularly effective method of retreat or a non-threatening target, you might be able to get away. More likely the target is not going to be happy about having an unknown spell cast on him.You could quite easily cast it whilst disguised, beat a hasty and apologetic retreat, then return a few days later with the spell still in effect.
Assuming the DM is idiotic enough to listen to that suggestion. Bluff isn't mind control; there's no requirement that the target is willing to engage in conversation with someone who just enchanted him, and he does know that he's been enchanted. It would take quite a favorable situation for anything along this.Alternatively, pre-cast Glibness on yourself, then cast it at someone and apologise, saying that you weren't casting a spell at all, just practising an incantation. With your +40 bonus to Bluff checks to convince them of your sincerity, you could have a Charisma of 1 and they'll still believe anything you tell them.
More realistically, it's a spell that would become very powerful given Silent Spell or another feat or set of circumstances in which the caster can use the spell on a target who is unaware of him.