Ben 10: Power Trip
28 Achievements
1,000
15-20h
PC
Xbox One
Xbox Series
Hard Headed
Unlock Diamondhead
50
10.36%
How to unlock the Hard Headed achievement in Ben 10: Power Trip - Definitive Guide
DEUCE621
TrueAchievements
TrueAchievements
You unlock diamond head after you proceed to start the quest with Astrid Anderson. The quest line is the Moutain Power Spring. Edit: Should be achieved about 20-30 minutes after beating City Power Spring
