I recently purchased a Midgard Delvers team, from Dreadball, to convert into Thorgarim for my Forge Father army, and I think they ended up very good.
I used the multiple spare heat hammers that came with the Steel Warriors (basic infantry) in the army set to arm them up. The leader also got a replacement hand with a hailstorm pistol.
These guys are one of the most powerful units in the Forge Fathers army, as each carry a Crushing Strength 6 weapon (!!), with 5+ Defence and 3+ to hit. Pretty tough guys.
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