I expected nothing and i'm still let down. The proc chance of the last ability of the Class Order is atrocious, but nevermind, guess i'll survive anyway like i used to do before.
At present it can be hard to notice if the Order Hall ability has proc'ed. For example if you got a World Quest Artifact Power item that awards 1 million AP, a line similar to:
[Artifact Weapon] gains 1,000,000 Artifact Power.
Will appear in the chat log. However, if you get the proc the line will instead say: