Class
B
Ci'th Stone Location
Taejin's Tower – Sixth Tier
Mark
Vetala
Mark Location
Taejin's Tower – Fifth Tier
Reward
Cobaltite
Secondary Reward
6 Bomb Cores
Unlock Conditions
Complete Mission 21: A Tremulous Terror, Complete Mission 22: Infernal Machine, and Complete Mission 23: Natural Defenses
You'll find this Menhirrim near the elevator leading from the Fourth Tier. You'll have to find a Menhirrim to alter the layout of the floor to gain access to a hidden third room with stairs leading back to the Fifth Tier where you'll find this mark. This is an obnoxious creature you'll be seeing more of in Oerba.