Definitively. Everything Rug says. Twin 'em with some Vultures and only Great Gargants stand a chance.
Yes they attract all sorts of fire and attacks as well, and thats dandy.
What amases me in EpicUK is we are still playing with the no line of sight deathstrikes. They become even more of a no brainer here. Stick them on overwatch and what can't they achieve? An air assault launched anywhere ont he table will have its transport blown away after dissembarking. Anything machanised doing a load, move, move, unload can't as the deathstrikes fire after the first move. Even stuff terminating in to kill it can be shot by it.
Prefably stick it in some woods or similar and don't worry about a failed strafe or attack as often one missle per turn is more disruptive.
And of course, gunning around the board with the heavy bolters is always fun

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