Destructive Research

Overview
Required
 * Northern Allies

Summary
 * 1) Gather 3 Destroyer cores.

Obtained from
 * High Priest Alkar in Battledepths

Reward
 * 100 Dwarven reputation points
 * Skills
 * Breath of the Great Dwarf
 * Light of Deldrimor

Followup
 * The Destroyer Challenge