The Argent Vanguard
is the main forward base of the Argent Crusade
and is located in the Valley of Echoes
in Icecrown [86.9, 76.5]
. Here, Highlord Tirion Fordring
, the new Ashbringer
, personally leads the valiant forces of the Crusade against the Scourge
on their home turf.
Before having completed quests in the area, Argent Crusaders are roaming the Valley of Echoes, fighting with Nerubians. Some number are bound in webs. Nerubian Ambushers are at various places.
Starting the quest  The Last Line Of Defense starts a scourge attack on the vanguard.
Guns appear on the towers. The Valley of Echoes is filled with scourge of various sorts, and an occasional Frostbrood Destroyer joins the fight.
Argent Crusaders once again wander the Valley of Echoes, but cleaning up the few remaining scourge.
Various NPCs appear at (or move to) a camp at the north end of the Valley of Echoes, just shy of The Breach.