Swords
Bavarik retrieved the Sword from Hades I think? There is also a matching scabbard to contain the power of the Sword but it is not clear if Bavarik ever possessed it.
Odin and Zeus have agreed that it should be returned to Zeus' dominion - not clear precisely where though. Interestingly, this is different from the perception that the Stone should be destroyed and may reflect an inherent alignment-based bias on their part. True balance is only achieved if both are returned to Outer Planes or both are destroyed.
Bavarik's sword was a Holy Avenger of significant power and is one of the 2 major campaign artefacts. It provides a direct counter-point to the Stone and is thus one of the 2 objects around which the Ages turn.
When Bavarik was defeated by Ezolach, the Holy Avenger was destroyed, breaking into 3 parts: Hilt, Blade and Tip
These were eventually reforged into 3 separate swords: Fastlaw (Hilt), Agan (presume blade due to it being the 'middle' aligned sword) and Rakos (presume tip)
Silmar carried Fastlaw, the Flame Brandt, aligned to Law and/or Good but, like its predecessor, it was broken into 3 parts. Merc was the last known bearer of the Hilt (the one part of Fastlaw that was part of the true sword)
Milai is the latest to carry Agan
Guerin was the last known bearer of Rakos but it is not known what happened after he was banished from the Prime.
The scabbard was retrived from Hades' realm by the New White Council in response to a quest placed upon Dafydd, by his god Odin.