Ready Player One Lesson Plan

How was Wade able to break the Sixers' shield around Castle Anorak? Why is this accomplishment significant in the context of the broader narrative?

Wade programmed a supply droid to explode right next to the avatar operating the magical object controlling the shield (the Orb of Osuvox), causing the shield to fall. He planned this bomb to explode 36 hours after he escapes from IOI's capture, in order to ensure he has time to plan with Aech, Art3mis, Shoto, and contact the rest of the independent gunters in OASIS to gather their support. It's good that he had this time, too, because it allowed Ogden Morrow to give him and the rest of the High Five to escape to his...