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