He had no idea how the rocket worked, and part of him was disappointed and part relieved. It meant it wasn't so spectacular a hit that it had caused a massive explosion, but he didn't know if it had even managed to imitated flight.<br/><br/>He prepared to cast greater darkness on a couple rocks as he got ready to enter, and then after quickly locating the guards, cast it. One rock dropped to cover the main entrance and the center of the room, the other was thrown toward the vault door. He then used a charge of dimension door to get between the two guards by the door, and lashed out with his fist, trying to hit each one in the head to stun them, which would give them time to incapacitate them without actually killing them. He planned to introduce their faces to the wall, due to the fact that they couldn't be spelled unconscious.