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