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