For Lord of the Rings, one could say the new releases come up short. *snicker*
Get it? 'Cause they're dwarves? *ahem* Anyway, the Iron Hills Dwarves are getting quite a bit of backup. They've got themselves a new ballista, a squad of warriors, as well as a new hero, Dain Ironfoot. Of course, there's various ways you can pick them up. There's individually, just one copy of the new stuff, or bundled together to give you a full fighting force.
Then, over on the 40k side of things, there's a new book in the form of Imperial Armour - The Anphelion Project. This covers all the models that have been released through Forge World for the Tyranid faction. If you don't want something bio-mechanical and instead just mechanical-mechanical, you can get yourself a Vultarax Stratos-automata.
And for those that love dice (and who doesn't love dice?), you can get custom dice for the World Eaters and Iron Warriors.
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