Full list of all 54 Fell Seal: Arbiter's Mark trophies - 36 bronze, 14 silver, 3 gold and 1 platinum.
The base game contains 44 trophies, and there is 1 DLC pack containing 10 trophies.
Visit the Second Relic
Defeat an enemy by using a Counter Ability or Thorns
Master any Class
Recruit Yates
Unlock the Demon Knight Class
Craft your first item
Visit the First Relic
Unlock the Marked Class
Change Class at least once
Defeat a unit with its Elemental weakness
Earn all other Trophies
Unlock Spymaster Class
Recruit Bzaro
Recruit Katja
Recruit Kairu
Save Somier a second time
Visit the Third Relic
Visit the Fourth Relic
Visit the Fifth Relic
Complete the Halloween encounter
Defeat Lady Anquine
Defeat Morgaine
Win the first Tournament
Win the second Tournament
Get the first ending
Get the second ending
Complete the Ancient Path
Drown an enemy
Defeat an enemy with falling damage
Defeat an enemy with a Berserk, Charmed, or Mind-Controlled enemy
Defeat at least 4 enemies with a single hit
View all optional dialogue events
Unlock all base Human Classes
Master all base Human Classes
Master all special badge Classes
Craft a final-tier weapon
Open 50% of treasure chests
Open all treasure chests
Use your first Class badge
Obtain all gadgets
Cleanse the Cursed Shield
Master all 19 base Monster Classes
Master all Human story character Classes
Complete the Obelisk riddle
Build a Guild Upgrade
Fully upgrade all 5 regions
Complete 100% of Missions in one region
Complete all Missions
Master the 3 new Human Classes
Enlist each of the base 18 recruitable Monster types
Complete all unique Hunts and large-scale battles
Master all 22 Monster Variants
Defeat an enemy with a Pet Effect
Complete an encounter deploying only Monsters