Classic fallback, not in the Forever data yet. The beta stopped at level 30, so the Forever quest data only holds the 1 quest above. These are the rest of the original Classic list for Scarlet Monastery Armory; Forever may have changed, moved or removed any of them.
Ordered by pick-up level, chains in step order. "Starts" is the giver's Classic spawn point; quests that show "inside the dungeon" are handed out past the portal.
Alliance1 quest
In the Name of the LightLv 34+
Kill High Inquisitor Whitemane, Scarlet Commander Mograine, Herod, the Scarlet Champion and Houndmaster Loksey and then report back to Raleigh the Devout in Southshore.
Starts: Raleigh the Devout, Hillsbrad Foothills (51.5, 58.4). Needs Down the Scarlet Path first. Step 3 of 3. 4,700 XP in Classic.
Horde1 quest
Into The Scarlet MonasteryLv 33+
Kill High Inquisitor Whitemane, Scarlet Commander Mograine, Herod, the Scarlet Champion and Houndmaster Loksey and then report back to Varimathras in the Undercity.
Starts: Varimathras, Undercity (56.3, 92.2). 5,150 XP in Classic.
Sources: CMaNGOS classic database (GPL), Classic 1.12.1, with each giver's spawn point placed on the zone map through the Classic Era client's map table.