Sources of older armor types

Some deprecated armor types are still available from the chain reward list of older adventure packs.

Mithral

 * The Waterworks, including Mithral Light Shield and Mithral Heavy Shield. Items are BtA.
 * Sentinels of Stormreach recently found breastplate as well as Adamantine Chain Shirt, BtA.

Banded Mail

 * Delera's Tomb