LEGO Batman Legacy of the Dark Knight: Hair Trigger Achievement Unlock Location and Mission Guide

Image credit: TT Games

What to know

  • The Hair Trigger challenge is completed in the “Tonight’s Forecast” mission.
  • You must have Nightwing on your team before starting the level.
  • The required target is an enemy carrying two guns.
  • Hit the enemy with Nightwing’s Electric Birdarang to trigger the challenge completion.

If you’re trying to unlock the Hair Trigger Challenge in LEGO Batman: Legacy of the Dark Knight, the process is very straightforward once you know the correct character and enemy to use. The challenge can be completed within a minute of entering the appropriate section of the mission.

How the Hair Trigger challenge works

RequirementDetails
ChallengeHair Trigger
Character NeededNightwing
MissionTonight’s Forecast
Chapter SectionMr. Freeze storyline
Required AbilityElectric Birdarang
Target EnemyDual-wielding gun enemy
DifficultyEasy
Estimated Time1–2 minutes
Quick overview of Hair Trigger Challenge in LEGO Batman

The Hair Trigger challenge requires you to make a specific enemy rapidly fire their weapons. This can only be done by using Nightwing’s Electric Birdarang on a gun-wielding enemy that carries two pistols.

Image credit: TT Games / Via: YouTube – Gaming with Josie

The easiest place to find this enemy is in the Tonight’s Forecast mission found within the Mr. Freeze chapter. Once you reach the combat area containing the dual-gun enemy, the challenge can be completed almost immediately.

How to complete the Hair Trigger challenge

Step 1

Add Nightwing to your active team before launching the mission. The challenge cannot be completed without him because his Electric Birdarang is required.

Image credit: TT Games / Via: YouTube – Gaming with Josie

Step 2

Open the chapter selection menu and navigate to the Mr. Freeze story missions. Select and start Tonight’s Forecast.

Image credit: TT Games / Via: YouTube – Gaming with Josie

Step 3

Progress through the level until you encounter an enemy armed with two handguns. Continue forward until this enemy appears naturally during gameplay.

Image credit: TT Games / Via: YouTube – Gaming with Josie

Step 4

Switch to Nightwing and target the dual-wielding enemy. Use the Electric Birdarang on the enemy. The electrical effect causes the target to rapidly fire both weapons.

Image credit: TT Games / Via: YouTube – Gaming with Josie

Step 5

As soon as the enemy begins firing uncontrollably, the Hair Trigger challenge should complete.

Image credit: TT Games / Via: YouTube – Gaming with Josie

Common mistakes that prevent completion

MistakeSolution
Using a different characterSwitch to Nightwing
Attacking the enemy normallyUse Electric Birdarang specifically
Defeating the enemy too quicklyApply the Birdarang effect before defeating them
Playing a different missionUse Tonight’s Forecast

Once the enemy starts firing rapidly after being shocked, the challenge should register instantly, making it one of the quickest challenge completions in the game.


The Hair Trigger challenge is one of the easiest challenges in LEGO Batman: Legacy of the Dark Knight. Simply bring Nightwing, load Tonight’s Forecast from the Mr. Freeze chapter, find the dual-gun enemy, and hit them with an Electric Birdarang. The enemy’s rapid-fire reaction immediately fulfills the challenge requirement.

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