One Steppe Forward, Two Steppes Back

For this achievement you need the following questchains at the Townlong Steppes:

1. The Point of No Return
2. Mists' Opportunity
3. Terror of the Dread Wastes
4. The Sha of Hatred
5. The Terrible Truth

Questchains:

Questchain

Spiteful Spirits
Hatred Becomes Us
1. The Point of No Return
Gao-Ran Battlefront
A Delicate Balance

Questchain

A Spear Through My Side, A Chain Through My Soul
The Torches
Golgoss, Arconiss
The Death of Me
Golgoss Hungers, Arconiss Thirsts, Orbiss Fades
The Torches
Golgoss
Arconiss
The Death of Me
Golgoss Hungers
Arconiss Thirsts
Orbiss Fades
2. Mists' Opportunity

Questchain

The Endless Swarm, Rummaging Through the Remains, Back on Their Feet
Unwelcome Intruders
Breach in the Defenses
The Restless Watch
Returning from the Pass
Back on Their Feet
The Endless Swarm
Rummaging Through the Remains
Improvised Ammunition
Cutting the Swarm
Cutting the Swarm
3. Terror of the Dread Wastes
Along the Southern Front
Enraged By Hatred
Taking Stock
Joining the Fight
Up In Flames
Raising Spirits
The Taking of Dusklight Bridge
Joining the Hunt
Grounded Welcome
Choking the Skies
Hostile Skies
Devastation Below
Heroes of the Shado-Pan
Buried Beneath
Taoshi and Korvexxis
Lao-Chin and Serevex
Nurong and Rothek
Thinning the Sik'thik
The Search for Restless Leng
4. The Sha of Hatred
The Threat in the South

Questchain

The Motives of the Mantid, Set the Mantid Back
The Wisdom of Niuzao
Niuzao's Price
5. The Terrible Truth
Give Them Peace
A Trail of Fear
Better Off Dread

If you're missing credit for Fire Camp Osul, look closer at Hatred's Vice to the east. That did the trick for me.

Requires the following quest chains to be completed:

• 
  
• Fire Camp Osul (The Point of No Return)
• 
  
• Mistlurkers in the Sumprushes (Mists' Opportunity)
• 
  
• On Hatred's Path (Terror of the Dread Wastes)
• 
  
• The Sha of Hatred (The Sha of Hatred)
• 
  
• Tai Ho's Investigation (The Terrible Truth)
•