Battle Garegga Rev.2016
38 Achievements
PS4
EXPENSIVE DEBRIS
Destroy the fragment of Slayer at the Cloud stage using a Special Weapon
34.4%
How to unlock the EXPENSIVE DEBRIS achievement in Battle Garegga Rev.2016 - Definitive Guide
You can see how to get this achievement in my video, located below. Note that you have to destroy the back of BOTH of the wings with special weapons to get the achievement to unlock.
In stage 5 (Cloud stage) The boss Slayer releases shrapnel when it dies, right as it dies bomb (Special Weapons )near the ship's nose to unlock this trophy. Refer to the video for demonstration.