Reverse Missiles / not an "attack"

[David Johnston2]

Originally Posted by Witchking

Or worse case scenario; the original 'archer' scores a critical hit with his 'arrow', he gets no defense since the incoming Reversed attack is still a critical hit.

No, it isn't. Actually I'd argue that a critical hit would at the least be a guaranteed miss by the Reverse Missile spell because critical hits mean you got lucky.