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