Even when the Nightlands are quiet, or especially when the Nightlands seem quiet is when the Blackwatch is needed. Prepare yourself and defend the realm. Pre-registration and costuming required for this interactive adventure. For ages 13-19. For more information visit www.guardup.com. $30/person pre-registration required 24 hours before event (Pre-register for both Blackwatch events for $55) at www.guardup.com/waiver or call (781) 270-4800. Late registration on the day of the event will incur an additional $5 fee.