Unlock: Use Trevor, Complete Hang Ten
Pulverizer – Utilize a melee weapon to beat down Avery.
Seized – Stops Avery's vehicle within 40 seconds.
Bring a blunt, melee weapon and use Josh's car. Head to the target, go the final driveway on the left of the road, then shoot the car tires of the target fast. When the target exits the vehicle, run up to him and use your blunt weapon on him twice.
The image featured at the top of this post is ©The Legend of Heroes: Trails of Cold Steel III key art.