The Achturardackians were pioneers of sigil based magic, and their techniques for building glyphs, sigils and seals remain the foundation of magic inscription.
The relic of an old Sorcerer, the Glyph of Tarnos Krae is a window into the past.
In the harbour of a major city a large and terrifying ship made of human nails docks. Nobody seems to inhabit this ominous vessel, someone needs to go on board and unveil the mystery. In comes the PCs.