NINJA BLADE
50 Achievements
1,000
25-30h
Xbox 360
Mission.004: Ninja Sky Marshall
Completed Mission 004 with less than 30% jet plane damage.
15
How to unlock the Mission.004: Ninja Sky Marshall achievement in NINJA BLADE - Definitive Guide
Just get to the final fight with all 3 Hydraheads (Hydra Thundecore) where you have push the Hydra off the plane and die. Health is full again and now finish the fight!