Here is the full list of all 27 Record of Grancrest War trophies - there are 10 bronze, 10 silver, 6 gold and 1 platinum.
Unlocked all trophies.
Won 20 Defend a Seige Battles.
Completed a subevent.
Completed the normal route.
Defeated the Dragon Lord with an S rank.
Completed a generic base conversation.
Won 20 Seige Battles.
Completed the hard route.
Defeated Chaos with an S rank.
Completed 100 quests.
Defeated 10 types of enemies (HNM) dwelling deep in the dungeon.
Defeated enemy (SNM) dwelling at the bottom of the Abyss.
Completed Chapter 8.
Acquired 1,000 dignity points.
Total base level reached 1,000.
Recruited 100 units.
Completed Chapter 7.
Completed Chapter 6.
Completed Chapter 5.
Completed Chapter 4.
Completed Chapter 3.
Completed Chapter 2.
One character reached level 50.
Completed Chapter 1.
Reached level 5.
Possess 100,000 gold.
Defeated a Named Monster.