A staff of great power in the hands off those who manipulate the strands of fate.
The Seven Lords of the Peninsulari each wore a magical signet ring identifying them as a sovereign lord.
Most feared of the Regalia of Dominion, the Ruby Sceptre is a terrifying weapon in the hands of a skilled fire mage.
A legendary relic, suited to base a campaign around, with the power of Creation crystallized in a single milky seed…
The shattered remnants of a divine weapon, a certain amount of power remains in these bits of celestial metal.
The finest creations of the gemsmith Sinnameron, the Stones somehow always manage to find their way to the proper people.
Nobody knows how many were made or who the creator was. It is only known that in need, the blades always appear to those that are worthy. They lift those they choose into places of power and use that influence to rage a millennium old war.
When you sleep, your soul briefly returns to the place where it was created/goes to when it dies, and seeks nourishment. Everybody's soul is created with a little link (or you could say a greater entity calls it back) to that place so that it can return easily, but upon death, the soul returns via that and annihilates the link as if returns.
Also, as an added thingy, you could say the entity supplying the link, or residue of the links themselves, (whichever) is the source of all arcane power.