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