Here is the full list of all 53 Dark Rose Valkyrie trophies - there are 45 bronze, 5 silver, 2 gold and 1 platinum.
Obtained all trophies.
Defeated 10000 Chimera.
Cleared the eighth Dangerous Creature extermination.
Raised any stats to 999.
Defeated Roblebraun during the seventh Dangerous Creature extermination mission.
Defeated Chimera-Anima during the sixth Dangerous Creature extermination mission.
Defeated Gigant Armor during the fifth Dangerous Creature extermination mission
During the twelfth - fifteenth eradication missions, eliminated all Chimera.
Developed over 100 Remodeling parts.
Defeated Ignis Dragon during the ninth elimination mission.
Cleared the game.
Achieved the True Ending on [Very Hard].
During the eleventh eradication mission, eliminated all Chimera.
Defeated Shadowrise Kaiser during the fourth Dangerous Creature extermination mission.
Defeated Anoma Shadow during the third Dangerous Creature extermination mission.
Used Overdrive for the first time.
During the tenth eradication mission, eliminated all Chimera.
Defeated Balt Kaiser during the second Dangerous Creature extermination mission.
During the eighth eradication mission, eliminated all Chimera.
Strengthened any TCS to its maximum.
During the seventh eradication mission, eliminated all Chimera.
Used over 100 Cooperation Attacks.
Defeated Barakeet during the first Dangerous Creature extermination mission.
Defeated 1000 Chimera.
During the sixth eradication mission, eliminated all Chimera.
Inflicted over 500,000 damage during battle.
Used over 100 Special Skills.
During the fourth eradication mission, eliminated all Chimera.
Defeated Jormurgand during the third night extermination mission.
During the third eradication mission, eliminated all Chimera.
Used a Cooperation Attack for the first time.
During the second eradication mission, eliminated all Chimera.
Used Support Defense over 50 times.
During the first eradication mission, eliminated all Chimera.
Used over 100 Additional Attacks.
Changed your formation for the first time.
Used the Treatment Room for the first time.
Developed a Remodeling part for the first time.
Used over 100 Side Attacks.
Strengthened any uniform to its maximum.
Number of HITs during battle passed 300.
Inflicted over 100,000 damage during battle.
Number of HITs during battle passed 200.
Used a Special Skill for the first time.
Used Ignition for the first time.
Used Support Defense for the first time.
Defeated 100 Chimera.
Number of HITs during battle passed 100.
Used an Additional Attack for the first time.
Inflicted over 10,000 damage during battle.
Used a Side Attack for the first time.
Repaired a uniform for the first time.
Defeated a Chimera for the first time.