Boots of Desperation (A)

These soft-soled boots look comfortable. When
your current hit points are equal to or less than
half your hit point total, you can activate the
boots as a bonus action. When activated, until
the start of your next turn the boots grant a
30-foot bonus to your speed and a +5 bonus to
your AC against attacks of opportunity. Once you
use the boots, you can’t do so again until you
finish a short or long rest.