A similar entry appears in the Wheel of Time Companion confirming the information available in the main story arc.
Author: Leora Oldessroth
He is left behind in Cairhien when Sarene goes to Far Madding with Cadsuane and Alanna in search of Rand (WH, Ch. 27). Vitalien, along with the Warders of Erian and Elza, track their Aes Sedai to Tear where they are hiding with Rand (CoT, Ch. 23). Sarene collects him again some time later and when Semirhage refuses to eat and knocks her plate to the floor, he watches ashen faced (TGS, Ch. 17). He is killed by Hessalam during the Last Battle (AMoL, Ch. 34)