[Wendigo]

Originally posted by Cainehill:
Winged Helmet..... Hmmm - does it allow a flyer to fly strategically when the global storm spell is in effect? What about Caelum's flyers that can fly during storms?

In my experience the Global Storm spell kills all strategic map flying, with no exceptions. (likely the devs missed this)
Back in Dom I a Caelum opponent of mine did cast this one for immediate 'Wrathing' purposes, and the spell ended up working against him by shutting down his strategical advantage.

I haven't seen any notice of this changing in Dom II, so I would bet it still works the same way.