Enthrall

From Ardrana

A priest using this spell can enthrall an audience that can fully understand his language. Those in the area of effect give the caster their undivided attention, totally ignoring their surroundings. Those of a race or religion unfriendly to the caster's are often able to resist the effect, and those with particularly strong wills are unaffected.

To cast the spell, the caster must speak without interruption for a full round. Thereafter, the enchantment lasts as long as the priest speaks, to a maximum of one hour. Those enthralled take no action while the priest speaks, and for a few minutes thereafter while they discuss the matter. Those not enthralled often begin to hoot and jeer in unison, which may also break the spell.

Note: This spell originally appeared in this form in the 2nd Edition Player's Handbook for Advanced Dungeons & Dragons from TSR. Its use here is for the purposes of providing context for the campaign only.