[quote=Zane620]
Are they all a one time use? Cause if they have duration, they need an indicator on how long they last
[/quote]

All except Yami no Sekai are active. Wolf of Bees, and Wolf of Bees, Concentration are passive casts, Yami no Sekai is sustained, with a max of 5 posts before it falls apart, but can also be broken by the Crossfire of Saint Elmo.