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