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