Here is the full list of all 9 Vaygren - there are Lustful Temptation achievements.
See the Queen from afar
Talk some more with Ra'Ga
Phylla makes it up to Nyx
Intrude on Cassidy's fun
Catch Rheen in a compromising position
Go looking for Yvain
Witness the consequences of defying the empire
Have a near miss
Start a new game