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