Hail Bullet「雹弾Heiru Baretto」: After performing a hand sign, numerous jagged icicles form around the user. The icicles are hailed upon the target to pierce and wound them.
Killer Iceberg「殺しの氷山Kirā Aisubāgu」: Gustaf creates a number of large icebergs and launches them at the enemy in a devastating barrage.
Blizzard Axel「吹雪乱舞Burizādo Akuseru; literally meaning "Blizzard Wild Dance"」: A violent blizzard forms around the opponent and rips them apart with its destructive, icy winds. The technique takes a toll on Gustaf's body, and he was left weakened after using it while already severely wounded.
Freezing Field「フリージングフィールドFurījingu Fīrudo」: Gustaf is able to freeze everything within a certain radius.