Here is the full list of all 50 Granblue Fantasy: Versus achievements.
Complete all achievements
Get a Luminiera Blade Omega in RPG mode
Unlock all entries in the glossary's Characters and Terms section
Unlock main quest chapter ∅ of RPG mode
Clear the final chapter of the main quest
Clear main quest chapter 5 of RPG mode
Clear main quest chapter 4 of RPG mode
Discover the Tower of Babyl in RPG mode
Clear main quest chapter 3 of RPG mode
Activate skybound art 100 times
Throw an opponent 100 times
Hit an opponent with overhead attacks 100 times
Finish off an opponent with a 3-count pinfall 10 times in a match
Unleash the Great Scythe Grynoth 10 times in a match
Unleash the Spear of Arvess 10 times in a match
Finish off an opponent with a super skybound art 10 times in a match
Attack with Momo 10 times in a match
Summon Yggdrasil 10 times in a match
Step on an opponent 10 times in a match
Activate super skybound art 50 times
Freeze an opponent in ice 10 times in a match
Summon Ares 10 times in a match
Petrify an opponent 10 times in a match
Use the skill With Sweetest Skills! on an opponent 10 times in a match
Summon Proto Bahamut 10 times in a match
Clear a character's countermeasures in Mission Training mode
Clear 10 combo practices in Mission Training mode
Clear all basic missions in Mission Training mode
Clear a character's skill practices in Mission Training mode
Clear Arcade mode
Beat the CPU on Normal or higher difficulty in Versus mode
Get a Vyrn weapon in RPG mode
Spend a total of 100,000 rupies
Perform 30 draws
Clear an RPG mode quest with a player 2-controlled partner
Defeat 50 slimes
Use the key record feature in Free Training mode
Watch an RPG mode cutscene in Gallery mode
Edit and save your profile or avatar
Save a replay of your match
Dodge attacks or cross over an opponent 100 times
Use a sticker, emote, or phrase online
Complete the tutorial matches
Win an online match
Clear main quest chapter 2 of RPG mode
Use search filters in RPG mode to join a co-op quest and clear it
Activate skills 100 times using technical commands
Use Request Backup (Online) in RPG mode to join a co-op quest and clear it
Clear main quest chapter 1 of RPG mode
Clear the RPG mode tutorial