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