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