<span>Puck is a powerful supernatural creature, capable of circling the globe in 40 minutes or morphing unsuspecting mortals in a deep fog. Also known as Robin Good fellow, Puck would have been familiar to a sixteenth-century English audience, who would have recognized him as a common household spirit. But he's also a "puck," an elf or goblin that enjoys playing practical jokes on mortals. Although he is more mischievous than malevolent, Puck reminds us that the fairy world is not all goodness and generosity.</span>
I believe it is A agility
If you could please include a little more about the question, you could get a more reliable answer.