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