http://alanwake.wikia.com/wiki/The_Taken
They are effectively invincible while their shadowy coating is up, but a flashlight/lantern can destroy their coating in a few seconds (as well as stun them while the light is focused on them), after which they are vulnerable to conventional injury.
Also, extremely bright sources of light (flashbangs and gun flares, for instance), can instantly vaporize them from the get-go.
Lastly, certain sources of light can keep them at bay, much like a crucifix can keep vampires at bay.
How would the above be represented in HERO 6th Edition?