Honestly it looks great to me just for miasma because of how much it lowers will and how many cipher spells target will, and even better its all done in an AOE, and better yet you have borrowed instinct to increase accuracy by +20 that targets will so you can drop miasma on a group > cast borrowed instinct and essentially have +60 accuracy for most cipher spells against multiple targets in an aoe. After activating miasma and borrowed instinct you should also have +40 accuracy vs reflex (