Demon Dogs (56)
Quest NPC: Tirion Fordring
Location: Western Plaguelands
When you first talk to Tirion he will give you this quest to help him out by clearing out the nearby area of these dogs.

Kill
20 Plaguehound Runts
5 Frenzied Plaguehounds
5 Plaguehounds

Blood Tinged Skies (56)
Quest NPC: Tirion Fordring
Location: Western Plaguelands
Tirion will ask you to kill 30 plaguebats.

Kill
30 Plaguebats

Carrion Grubbage (56)
Quest NPC: Tirion Fordring
Location: Western Plaguelands
He will ask you to gather 15 slabs of carrion worm meat from the huge worms and return to him.

Redemption (56)
Quest NPC: Tirion Fordring
Location: Western Plaguelands
You will have proven yourself worthy with your first 3 tasks whereupon he will tell you about his son, and the Scarlet Crusade.

Of Forgotten Memories (57)
Quest NPC: Tirion Fordring
Location: Western Plaguelands
Tirion will send you to recover his Taelan's weapon. It is in the southwest EPL (Eastern Plaguelands.) Once you open the loose dirt mound Mercutio Filthgorger will spawn nearby with 3 guards. Mercutio drops the hammer you need.

Of Lost Honor (58)
Quest NPC: Tirion Fordring
Location: Western Plaguelands
Tirion will send you to recover the Symbol of Lost Honor from the pool in Northdale in the Eastern Plaguelands.

Of Love and Family (58)
Quest NPC: Tirion Fordring
Location: Western Plaguelands
Tirion will sned you to Caer Darrow to see if you can find any clues on the lost painting of Taelan and Karanda. The NPC you need to talk to is Artist Renfray in the cottage outside the keep.

Of Love and Family, Part 2 (60+)
Quest NPC: Artist Renfray
Location: Caer Darrow, Western Plaguelands
You will need to travel into the Scarlet Bastion located inside Stratholme. The painting is in the Archivist's room. This is only do-able in a 5-man group.

Find Myranda (60)
Quest NPC: Tirion Fordring
Location: Western Plaguelands
You will need to travel to uther's tomb in south Western Plaguelands and show Tirion's gift to Myranda the Hag.

Scarlet Subterfuge (60+)
Quest NPC: Myranda the Hag
Location: Western Plaguelands
Gain the Scarlet Illusion from Myranda and travel to Hearthglen under the disguise. Deliver Tirion's gift to Highlord Taelan Fordring, Hearthglen is in northern Western Plaguelands. Taelan is located inside Mardenholde Keep. You cannot mount while disguised and some actions can break the disguise.

In Dreams (63+)
Quest NPC: Taelan Fordring
Location: Hearthglen, Western Plaguelands
You will need to now escort Taelan out of Hearthglen. He tells you to drop your disguise but it is not required, you can merely watch Taelan take out everything if you wish. When he reaches the tower south of Hearthglen he will get into a huge fight. Stay back and watch.