From The Heretic Knowledge Vault
Any of several weapons seen in the story.
In the Poe-verse, swords exist in both magical and non-magical form. The standard magical sword is the Durus Flamma, which see. It isn't known whether other forms of sword can be enchanted to have magical properties, but firearms definitely can (Jon Amraphel carried a silenced one at one point), so it's reasonable to suspect that swords can too.
Forms of sword identified thus far in the story are: