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