However, after Ide Falk's death in 1399, the queen and Bishop Peder of Roskilde realised the strategic importance of the location as a counterweight to the archbishop's castles at Åhus, four miles to the north, and Hammershus on Bornholm.
Then he pulled even with Didrik Slagheck, he returned to Denmark and was imprisoned there at Hammershus on Bornholm.
In 1329, King Christopher II concluded an agreement with Marsk Ludvig Eberstein, head of the armed forces, after his surrender at Hammershus and in 1329 made peace with Count Johann of Holstein.