He was offered a spot in the system of Swedish club Mora IK midway through the year, but chose to remain in Norway until the season ended.

[1] Turning down an offer of a full time EHL role with Vålerenga,[1] Brandsegg-Nygård joined Mora for the 2022–23 season, appearing in 11 games in the second-tier HockeyAllsvenskan and 35 in the J20 Nationell.

[1] In his draft-eligible season, Brandsegg-Nygård once again split time between the professional and junior levels, recording eight goals and ten assists in 41 Allsvenskan games.

[4] His shot, hockey IQ, and mature game were among the features lauded by scouts, who projected him as a first round pick and possibly "the best prospect Norway has ever produced.

[13] In his senior-level tournament debut at the 2024 IIHF World Championship, Brandsegg-Nygård was the third youngest player, behind teammate Stian Solberg and Finnish forward Konsta Helenius.