Not on purpose, no. [ Severus is mostly angry that William handled it the way he did - running off and making it worse instead of immediately seeking help. It was a massive error in judgement and the severity of the consequences can't just be written off as accidental. ] Bits of things from home, some unpleasant landscapes that were familiar to Heather. No murals, minimal odd noises. It was most like the labyrinth of memory recreations after Shepard's last reconnaissance.