Magic swords only mark usage when a 6 is rolled.

They can be repaired by a highly skilled blacksmith, or by an unusually practically minded wizard, a service that will require payment greater than simply pips.

d6	Weapon class
1-4	Medium (d6 one paw/d8 both paws)
5	Light (d6 one paw, can be dual-wielded)
6	Heavy (d10 both paws)

d10	Sword	Power
1	Wrought iron	While wielded: You roll critical damage Saves with Advantage
2	Intricate Fae design	While wielded: You may disguise yourself as any mouse-sized creature
3	Rusty nail	Critical damage: Give a Frightened Condition
4	Snake fang	Critical damage: Deal d6 additional damage to DEX
5	Toy soldier’s sabre	While wielded: If you lead a warband, they have +1 Armour
6	Water-worn glass	While wielded: You can hold breath underwater for 1 Turn
7	Wolf tooth	Critical damage: Your next attack is Enhanced
8	Silver sewing needle	Critical damage: Clear all usage dots from a non-spell item in your inventory
9	Thorny rose stem	Critical damage: Remove a Condition
10	Congealed shadow	While wielded: You are invisible when standing perfectly still