To Sorrow's Furnace

Overview
Summary 1.
 * Help Galen Trask complete his mission inside Sorrow's Furnace.
 * Help Killroy Stoneskin complete his mission inside Sorrow's Furnace.
 * Help High Priest Alkar complete his mission inside Sorrow's Furnace.
 * Help Orozar Highstone complete his mission inside Sorrow's Furnace.

2.
 * Find Galen Trask somewhere in Grenth's Footprint.
 * Find Killroy Stoneskin somewhere in Grenth's Footprint.
 * Find High Priest Alkar somewhere in Grenth's Footprint.
 * Find Orozar Highstone somewhere in Grenth's Footprint.

3.
 * Lead Galen Trask to Sorrow's Furnace.
 * (unknown)
 * (unknown)
 * Lead Orozar Highstone to Sorrow's Furnace.

Obtained from
 * The Dwarven Prospector in Grenth's Footprint

Requirements
 * none

Reward
 * 10,000 XP

Dialogue
 * "Grenth's Footprint is a dangerous place. Many's the traveler to these lands who left his bones by the wayside and his family wondering what became of him.  There are three Dwarves and a human here who could use a well-armed escort.  Will ye go and seek them out?

Followup
 * Unknown

Walkthrough
You can only help one person at a time in this quest, you cannot get all four people and do their tasks all at once.