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