In spring 2012, the project group opened Karl Knutsson's grave in Riddarholm Church. Modern analytical methods showed that Magnus Ladulås is not among those buried here, nor, as found in 2011, in the tomb under the northern tumba. However, a new opportunity to recover King Magnus' remains has been discovered: in the burial chamber under Karl Knutsson's tumba, there is only one medieval wall, which forms the northern wall of the tomb. This wall was probably added as part of another construction and built from the other side. It is most likely that there is another grave space in front of the altar in the church. The location along the central axis of the church, directly in front of the altar, is the most prominent position a person could have. It is reasonable that such a grave was reserved for the monastery's founder and donor Magnus Ladulås. The purpose of a further investigation in the chancel of the church is to locate the grave of King Magnus and to increase knowledge of the history of the monastery church. The documents from Riddarholm Church's renovation do not indicate that the space was previously investigated. In April this year, with the permission of RMÄ, SFV, the County Administrative Board and RAÄ, a small test investigation was carried out. One of the bricks from 1916 was loosened and removed and a test hole was drilled in a joint further down the wall. The investigation showed that the space behind the wall is sand-filled and at least 70 cm wide. It is thus an archaeological excavation that is relevant in this context.