Full list of all 12 Ultratron trophies - 7 bronze, 4 silver and 1 gold. It takes around 3-4 hours to unlock all of the trophies on PlayStation 4.
Defeated Lues
Defeated Bellum
Got 100% on a dodge stage
Consumed 10 consecutive fruits
Defeated Ieiunitas
Got 100% on a challenge stage
Defeated two bosses
Quantum-shifted through a boss
Pets can level up, and have maxed Scan Range, Rocket, Laser and Shooty Pet upgrades
Didn't let any pets take damage for 10 levels
Beat a level without firing a single shot
Defeated Letum