[andrewas]

Cant help with the Aerie Romance, but Kerrick the Smith uses the
SPOILER
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Golden Pantaloons, Silver Pantaloons and Bronze Pantalettes to make the

BIGGER SPOILER
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Big Metal Unit, Big Metal Rod and Ammo for the Big Metal Rod

The metal unit is the best armour in the game, makes you look like a greater golem.

The metal rod is a powerful missile weapon that comes with three different ammo type, all in infinite packages.