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