The "The Void Mirror Prototype" Add-on for ONE PIECE World Seeker has 6 trophies - 3 bronze, 2 silver and 1 gold.
Complete Main Mission "The Void Mirror Prototype"
Learn all of Zoro's Skills
Perform Relentless 25 times
Use Serious Mode 10 times
Complete 3 Challenge Missions with Zoro
Complete a Challenge Mission with the highest grade with Zoro