Just in case anyone wants to see the loresong:

As you sing, you feel a faint resonating vibration from the stygian warblade in your hand, and you learn something about it...
The first thing that strikes you about the warblade is the weight, which is about 4 pounds. In your best estimation, it's worth about 64,000 silvers. You can also tell that the stygian warblade is predominantly crafted of vultite.

As you sing, you feel a faint resonating vibration from the stygian warblade in your hand, and you learn something about it...
You sense a faint aura of magic surrounding the warblade. You sense that this is some type of holy item. From the pitch of the vibration you determine that the purpose of the warblade is as some type of weapon. A sense of deep seated hatred clings to the stygian warblade, as if it had been crafted with a specific purpose.

As you sing, you feel a faint resonating vibration from the stygian warblade in your hand...
It has a bonus of +20 from a normal warblade, and the way it vibrates in tune with your voice tells you that it requires skill in edged weapons to use effectively. It also has some type of special ability, but you can't tell what yet. This stygian warblade seems to be the bane of all extraplanar creatures.

As you sing, you feel a faint resonating vibration from the stygian warblade in your hand...
The harmonics generated tell you that the warblade has been temporarily blessed to help fight the undead.
This stygian warblade provides an additional offensive bonus of +20 when employed against all extraplanar creatures.