Geegle dooo bleagh owlbear ron grickle flick tarrasque meat!

Encounter   ✦     Charm
Minor Action      Ranged 5

Target: One creature that can hear you

Attack: Highest ability modifier + 2 vs. Will
    Level 11: Highest ability modifier + 4 vs. Will
    Level 21: Highest ability modifier + 6 vs. Will

Effect: The target cannot speak intelligibly or deliver any effect that relies on speech (save ends).

Published in Dragon Magazine 414.