Vaul's Expedition is a Rogue army faction introduced in Total War: Warhammer II. It is led by (???) and can be found roaming in (???).
Their army is composed of infantry, light cavalry and artillery.
Vaul is the Elven God of Smiths, and the creator of the legendary artifacts wielded by the gods and heroes of the Elven people.
Possible Spawn Points
Eye of the Vortex
This faction uses low tier High Elf units and shouldn't be any different from fighting a standard High Elf faction.