Hassat Hunter's post in Bug? Wraiths teleport Pallegina and themselves far away from fight was marked as the answer
It's one of their abilities.
EDIT: Called "Abduction"
Hassat Hunter's post in Sverf > Drug Crash (after saving+loading) lacks icon was marked as the answer
It's not a crash... the effect is called "Drug crash" (see screenshot).
EDIT: Seems it contained the wrong link, fixed now.