Death Knight quest 55-58

Hello we are going to level a Death Knight from 55-58 in there own start zone!

1; Pick up "In Service Of The Lich King" and walk in to the "The Heart of Acherus"
2; Find "Instructor Razuvious" he walking around in the zone. Leave the quest to him.
3: Pick up the new one "The Emblazoned Runeblade"