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