He was just going to venture into the resting place of the Starks when Arya intercepted him, asking for a spar. Now, after the bout with his sister, Arya returned to the Great Keep and Jon headed towards the crypts. Soon, he was face to face with the familiar old ironwood door. A few moments later he was slowly going down the spiral staircase, descending into the unfamiliar levels. Purple flames circled him and banished the surrounding darkness as he passed by the first level where his recent ancestors were buried. As he kept descending, he noticed that something changed.