He frowns at Zevran, but not out of upset. Fear does make people more unpredictable.

"Pel, can you cast sleep?" He can't. Creation and Entropy are opposites, and he has an overwhelming inborn ability in one which leaves him unable to wield the other. "They can't struggle, then, but then we have to make sure the ship stays intact."

To make them sleep and then let the boat sink would be beyond cruel.