Though why did Sirius keep his body while he did not? And did time flow differently in the two worlds? Barely three hundred years had passed on Earth, while thousands of years had flown away here. The lowest level of the Crypts was the oldest.  Though the archway on this side could have been destroyed, he had no real answer about the time difference. Maybe even the original sigil of House Stark was not a direwolf but a grim? The animal curled at the feet of the statue strangely looked like one now that he thought about it. The grims were giant, savage-looking dogs with ominous eyes, not dissimilar to a direwolf.