According to the rules that have since been established in The Mandalorian, Sabine never technically laid claim to the Darksaber at all. Moff Gideon revealed in The Mandalorian season 2 finale ...

Instead of shying away from other antagonistic roles, however, he leaned into them, taking on the part of Moff Gideon ... and taking the legendary Darksaber from the Mandalorian people by ...

However, during an interview with Variety about the recent Season 5 finale of Better Call Saul, Moff Gideon actor Giancarlo ... “He wields his own darksaber. He does his own dirty work and ...