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