Shield is a protection unique to certain creatures, most of which are constructs. Summary::A shield defends the creature it envelopes and has the ability to soak damage of most any kind. A creature with the shield special quality may have an additional deflection bonus to Armor Class. For every HD a creature has, the shield that protects it has 5 hit points. Shield hit points are regained at a rate of 1 hit point per HD per minute. When a shield's hit points are depleted, its deflection bonus to AC disappears until the shield gains at least 1 hit point, unless otherwise noted in the creature listing.