Phanes + 4 shades are fighting Nibelung + 3 weapnised moons, the fight is so intense and almost tied with Nibelung having a slight edge due to the abyssal powers. But then suddenly two moons shatter on their own and the third siezes to function, meanwhile in the prison Columbina successfully managed to take the authority of the 3 moons fixating them on the frost moon. Rendering the Eternal and Iridescent moons powerless (thus crumbling) while the frost moon becomes masterless thus stops working, the people later think that Phanes destroyed the moons while in truth it was Columbina with the agreement of the other sisters, which caused Nibelung to lose the war btw, Phanes throws the remaining moon outside Teyvat which proves he has no intentions of destroying any of them
Now imagine this