Quick answer
Complete any mission on Heroic or Legendary difficulty starting from Rally Point Alpha in The Pillar of Autumn, avoiding all health damage—only shield damage is permitted.
Guide briefing
Halo Campaign Evolved All Shield No Yield Achievement Guide
Complete any mission on Heroic or Legendary difficulty starting from Rally Point Alpha in The Pillar of Autumn, avoiding all health damage—only shield damage is permitted.
Applies to
- — The Pillar of Autumn mission only
- — Heroic or Legendary difficulty
- — Start from Rally Point Alpha
- — No health damage allowed
Target
All Shield No Yield achievement
- Checkpoint
- Rally Point Alpha
- Landmark
- Bridge entrance
Do this
- 1Start the mission from Rally Point Alpha on Heroic or Legendary difficulty.
- 2Sprint straight to the bridge without engaging enemies initially.
Confirmation
All Shield No Yield achievement is available as described. The shield bar is the large one at the top of the screen; health is the smaller one below it.
Target
All Shield No Yield achievement
- Checkpoint
- Mess Hall
- Landmark
- Mess hall doorway
Do this
- 1Take out the first three grunts to open the door to the mess hall.
- 2Inside the mess hall, eliminate the elite and grunt, then pick up the assault rifle as four grunts and two elites enter.
Confirmation
All Shield No Yield achievement is available as described. Use the AI to assist with enemy elimination but remain cautious of double plasma grunts.
Target
All Shield No Yield achievement
- Checkpoint
- Room with drop pod
- Landmark
- Drop pod area
Do this
- 1After clearing enemies, sweep the area to collect all plasma grenades.
- 2Throw at least one grenade into the drop pod area, preferably two if available.
Confirmation
All Shield No Yield achievement is available as described. Plasma grenade spawn rate varies; sometimes you get two, sometimes four.
Target
All Shield No Yield achievement
- Checkpoint
- Final tunnel before objective
- Landmark
- Final tunnel exit
Do this
- 1After collecting overshields, proceed to the final hallway and use grenades to clear groups of enemies.
- 2In the final tunnel, turn right instead of going straight to avoid the double plasma grunt ambush.
Confirmation
All Shield No Yield achievement is available as described. Use your pocket overshield strategically; save it for critical moments like the final encounter.