Duration: 1 white magic spell or 60 seconds, whichever occurs first
Decreases spell enmity by 10 per each merit level.
Cannot be used while under the effects of Animus Augeo or Animus Minuo. Attempting to use this Stratagem while under the effects of either Animus spell will produce an error message in the player's chat log, but will not consume Stratagem charges.
The word tranquility means peacefulness, serenity, and the absence of stress or disturbance. This might imply the enmity generated is decreased in order to maintain peacefulness or reduce the chance of the enemy being disturbed by the caster's presence.