The Twin Mining Picks

Steps

 * 1) Search for the lost twin mining picks.
 * 2) *Inspect the box near the Southernmost Frosthorn minotaur camp. (88, 26, -473)
 * 3) Hunt Frosthorn minotaurs for the two keys.
 * 4) *Kill any Frosthorn minotaur for the very common (guaranteed?) updates.
 * 5) Open the Frosthorn treasure chest. (88, 26, -473)
 * 6) Bury the twin minings picks at the gravestone. (113, -16, 151)