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