Unlock: Complete Three's Company, Use Trevor
Bonus Requirements:
Pre-Emptive Strike – Obliterate 4 clown vans before the clowns spawn out
Greatest Dancer – Kill 6 clowns while you are dancing.
Head to the marker. Use the auto-shotgun here to hit clowns popping out left and right. Waste them quickly keep moving. Shoot the engines to destroy clown vans fast.
The image featured at the top of this post is ©The Legend of Heroes: Trails of Cold Steel III key art.