Missing one Duty Roulette and can find it.

I can't que for the Duty Roulette Trial due to me missing one ???, I have my list here in hope someone tells me which one I am missing,.

http://i62.tinypic.com/2jcv7lw.png

You are missing the Striking Tree (Hard)

Oh that was it, just need to do main quests. thanks a ton!