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