Oh, look. A wizard casting a spell at the gate, surrounded by an impenetrable wall of iron. Wouldn't it be shame if like the ground or something killed him?

Okay, posted. Had Markul toss the boulder that bounced off the thing earlier, because it seemed all too perfect. For the record, he's basically out of excess energy, any more Geomancy will physically tire him until the Tear is given a few hours to recharge.