Fair enough. I originally wanted to keep them general so that they could be tailored to any given game, but I had given some thought to Court-specific blades. See how these tickle your fancy.
Everthorn [-3]
Description: A blade of the Nevernever, one of the last relics of the fallen Spring Court. It seems to have been grown as much as forged.
Musts: You must have an aspect related to your possession of this item.
Skills Affected: Weapons
Effects:
[-0] Purpose. Used by a Scion of Spring to exact vengeance upon the Summer and Winter Courts for their betrayal.
[-0] It Is What It Is. It's a sword. The pointy end goes in to the other person.
[-0] Unbreakable. As an Item of Power, this item cannot be broken except with a magical ritual predicated upon perverting its purpose.
[+2] One-Time Discount. It's a sword. It gets noticed.
[-2] Inhuman Speed. As the power (should the bearer already possess this power, treat it as one level higher)
[-2] Inhuman Strength. As the power (should the bearer already possess this power, treat it as one level higher)
[-1] Vengeance. When used against a member of the Summer or Winter Courts, this blade counts as satisfying their Catch for any Toughness powers.
Bleakfang [-3]
Description: With a hilt of frigid gold and a blade of ice as black as night, this blade seems to steal away the warmth and light around it.
Musts: You must have an aspect related to your possession of this item.
Skills Affected: Weapons
Effects:
[-0] Purpose. To enforce the will of Queen Mab and Lady Maeve. The sword hungers to destroy Fireheart.
[-0] It Is What It Is. It's a sword. The pointy end goes in to the other person.
[-0] Unbreakable. As an Item of Power, this item cannot be broken except with a magical ritual predicated upon perverting its purpose.
[+2] One-Time Discount. It's a sword. It gets noticed.
[-2] Inhuman Toughness. As the power (should the bearer already possess this power, treat it as one level higher). The Catch is cold iron.
[-2] Inhuman Strength. As the power (should the bearer already possess this power, treat it as one level higher).
[-1] Vendetta. When used against a member of the Summer Court, this blade counts as satisfying their Catch for any Toughness powers.
Harvest [-3]
Description: Ever keen and ready to be used, this blade seems to tremble with anticipation.
Musts: You must have an aspect related to your possession of this item.
Skills Affected: Weapons
Effects:
[-0] Purpose. Borne by the Autumn Knight before that Courts fall, this blade is rumored to possess a small part of his essence. It seeks to carry out the last command given by the King of Autumn.
[-0] It Is What It Is. It's a sword. The pointy end goes in to the other person.
[-0] Unbreakable. As an Item of Power, this item cannot be broken except with a magical ritual predicated upon perverting its purpose.
[+2] One-Time Discount. It's a sword. It gets noticed.
[-2] Inhuman Recovery. As the power (should the bearer already possess this power, treat it as one level higher). The Catch is cold iron.
[-2] Inhuman Strength. As the power (should the bearer already possess this power, treat it as one level higher).
[-1] Vengeance. When used against a member of the Summer or Winter Courts, this blade counts as satisfying their Catch for any Toughness powers.
Fireheart [-3]
Description: Shining from within with it's own light, this blade seems to flicker and dance as it's namesake.
Musts: You must have an aspect related to your possession of this item.
Skills Affected: Weapons
Effects:
[-0] Purpose. Created to counter the icy power of Bleakfang, Fireheart burns with consuming and cleansing power.
[-0] It Is What It Is. It's a sword. The pointy end goes in to the other person.
[-0] Unbreakable. As an Item of Power, this item cannot be broken except with a magical ritual predicated upon perverting its purpose.
[+2] One-Time Discount. It's a sword. It gets noticed.
[-2] Inhuman Toughness. As the power (should the bearer already possess this power, treat it as one level higher). The Catch is cold iron.
[-2] Inhuman Strength. As the power (should the bearer already possess this power, treat it as one level higher).
[-1] Vendetta. When used against a member of the Winter Court, this blade counts as satisfying their Catch for any Toughness powers.
I wasn't sure how to much to make Vengeance/Vendetta cost, but given the very specific circumstances, -1 seemed appropriate.