While I agree 99.9% of the time Enigma>CoH, there are certain situations where one might benefit from CoH over Enigma, and that is when I think of melee chars that rely strongly upon their physical damage (damage to demons+undead and don't need to teleport/it wouldn't advantage them (i.e; running only wsk-baal (full clear) with a specific char, or maybe even a zealsorc? Idk, my head hurts).

But that is a very specific, niche, rare 0.01% where CoH may be better suited.

Dependes what class your rolling with Enigma too, Same with fortitude, If your running a bear/wolf druid I found that Trechery with high crushing blows is better then fortitude, simply because they increased cap from 75% haste too 150%, and 150 is quite easy to reach with treashery - I simply dont swap to fortitude at all.

Survivabiliy you get elsewhere as druid so it works well, also you cant teleport in shapeshift.