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