Here is the full list of all 54 Dragon's Dogma 2 achievements.
Led the people to safety in the unmoored world.
Discovered 50 dungeons.
Experienced the end of the cycle.
Overcame all the trials of the unmoored world.
Helped the gigantus walk again.
Obtained Dragon's Dogma.
Witnessed the unmoored world.
Became Sovran of Vernworth.
Defeated the gigantus in a short span of time.
Crossed a cyclopean bridge.
Acquired every maister's teaching.
Changed your vocation to magick archer.
Defeated the headless horseman.
Boarded the phantom oxcart.
Changed your vocation to warfarer.
Soaked in the hot spring.
Acquired a pawn badge.
Reached Drabnir's Grotto.
Witnessed a brawl break out in your dwelling among your admirers.
Earned the affections of 50 people.
Accomplished a miracle for several people all at once.
Summoned a harpy, grabbed hold, and took flight.
Grilled every type of meat during the night and day.
Acquired a preserved medusa head.
Decapitated a medusa.
Collected 80 Seeker's Tokens.
Used illicit means to pass through the gate at the border.
Petrified a medusa.
Returned to Agamen Volcanic Island.
Reached Dragonsbreath Tower.
Changed your vocation to mystic spearhand.
Changed your vocation to trickster.
Raised a person's affinity to the maximum.
Strengthened a weapon in wyrmfire.
Found a solution to every conundrum posed by the goddess of riddles.
Took flight on griffin wing a second time.
Taught your pawn a specialization.
Reached the maximum rank in a vocation.
Passed through the gate at the border.
Reclaimed your items from the scavenger who stole them from you.
Entered the rose chateau.
Attended a palace masquerade in formal raiment.
Purchased a dwelling of your own.
Used a Wakestone to restore the dead to life.
Restored the dead to life at a morgue or charnel house.
Set a pawn quest.
Changed your vocation.
Used a Ferrystone.
Boarded an oxcart.
Arrived in Vernworth.
Revived two pawns simultaneously.
Regained your memories of receiving the Arisen's charge.
Went camping.
Escaped the bonds of slavery.