He told Draco he was feeling unwell and skipped dinner, letting him relay the message to Luna too. He looked at the huge shimmering wall that Dumbledore had placed in his mind. Theo had figured that much out, knowing it wasn't there before the visit to the headmaster. He had tinkered with it a few times without luck or hope of shattering its glassy surface. He looked at it once more, wishing he could throw Luna's trunk over the top where it would remain safe from an onslaught. However, he feared if he tossed it over the wall he would not be able to retrieve it after. 