Istredd probably should just make a normal door, it has crossed his mind. Sometimes it is normal and sometimes it seems pretty closed like now until someone steps closer. His domain usually reacts to whoever is there, opening naturally when a person is seeking to come in.

He looks genuinely confused. Is she swearing because it's a bizarre giant rock? Is she swearing because it's basically in the midst of an earthquake off and on? There is a long list of possibilities!

"What?" He replies very, very eloquently! (Not.)