Created by the 'Nine who were slain' (The Fallen) these cruel weapons prevent the soul of anyone killed by them from entering the underworld, trapping them within their bodies. The bodies eventually decay leaving only their soul trapped within the world. The Fallen can raise and control those killed by these weapons.
Thal weapons are generally indistinguishable from mundane weapons to all but an expert artificer.
Each of the nine crafted a different style of weapon but the number that they crafted is not known.
Grimthal Firstslain - Swords
Azagdel Secondslain - Maces
Kilar Thirdslain - Spears
Yerar Fourthslain - Javelins
Dondan Fifthslain - Gauntlets
Vorn Sixthslain - Bolts
Burrin Seventhslain - Polearms
Vongrim Eighthslain - Axes
Anag Ninthslain - Daggers