Here is the full list of all 50 Arcana Heart 3 achievements worth 1,000 gamerscore.
Used the ultimate version of [Shunkoku].
Used [The Hero, Minigawa, Launch!] more than three times during a single match.
Caused over 20 stuffed animals to appear during [Kawarimi no Jutsu].
Used more than 1000 Ether Stocks.
Used moves with the word "Sacred" in them more than 100 times as Fiona.
Raise all characters' RP Level to 3.
Unlocked all of the link animations in Gallery Mode.
Completed all the follow-ups to [Ancient Talisman] in a single match.
Used all of Dorothy's card hands during a match.
Completed a 666-hit combo.
Unlocked all of the illustrations in Gallery Mode.
Fought and defeated all the Arcana in Network Mode.
Completed [Geschick the Blood Linchpin] over 4 times while the doll is inactive.
Raise one character's RP Level to 10.
Got attacked immediately after the [Come and Get Me!] teleport.
Watched all of the endings in Story Mode.
Used all of the Arcana.
Used all of the characters.
Executed a 100+ hit combo without using the help of an Arcana.
As Mei-Fang, defeated an opponent without taking any damage.
Landed the ultimate version of [Ending Sadness].
Fought and defeated all the characters in Network Mode.
Landed [Hama No Shishiku] and [Taima No Zuikaku] during a combo.
Watched the bad ending in Story Mode.
Used the moves [Kagesuki], [Kodama], [Seizan], and [Sazarashi] in one round.
Ran the longest possible line off of a successful [Wall Step].
Got all of Elsa's weapons to show up during a single match.
Successfully input the follow-up attack to [Fuuju - Narukami (EF)].
Completely drained the Spiritual Gauge more than 3 times in a single match.
Landed the ultimate version of [Take All My Sadness Away!].
Cleared Story Mode using Heart and the Arcana of Love.
Complete the move [Garbh Dagda (EF)] without pressing any unnecessary buttons.
Got a counter-hit using [Restriction Unleashed - War Chain Wolkenkratzer (EF)].
Defeated Parace L'Sia in Score Attack Mode.
Used Baldur to defeat Ragnarok.
Performed [Cinderella!] when the numbers on the clock are lined up.
Finished Story Mode on the highest difficulty.
Played your first Player Match.
Absorbed life using [Il Rapimento].
Finished Story Mode.
Saw all versions of [I'll Draw...] in a single match.
Won using Arcana Blaze.
While the Water Arcana [Regnum] is active, land a [Last Armageddon Drop].
Won using an Extended Critical Heart.
Got a clean hit with [Sacred Slayer (EF)].
Used more than five 360 motion special moves and won with a 360 motion special move.
Play in a Ranked Match.
Practiced for 15 minutes straight in Training Mode.
Won using Critical Heart.
Won while the Extend Force was disabled.