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