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