This quest is not available in game.
Kill 6 Invading Felguards and then return to Argent Emissary Proudwell.
Battle rages non-stop at the portal! The Argent Dawn is fighting a desperate fight -- and if we lose, then there will be no end to the demon's fire.
Help us, <name>. Enter the breach and lend aid to our brothers and sisters. Help stem this tide of darkness! The Argent Dawn -- and the world -- needs you!