Glibness

Level 8 Alteration Spell
Use: Until the spell ends, when you make a Charisma roll, you can replace the number you roll with a 15. Additionally, no matter what you say, magic that would determine if you are telling the truth indicates that you are being truthful.
Range: Self casting
Casting Time: 1 Action
Duration: 1 hour
Components: Vocal
Mana Cost: 100
Worth: 8 gp
Available Classes: Wizard