Here is the full list of all 40 Operation Abyss: New Tokyo Legacy achievements.
You've used every Plug-in affix. Knowing your enemy is the key to victory.
You've eliminated Zombie Murphy. He was inside a coffin? Go figure...
You made the King of Babyl, Mu'La, retreat. But the battle has only just begun...
You've encountered the mysterious conductor. The rumors were true!
You've defeated the two Wizars, Akito and Alice. You emerged from the greatest fight of your life victorious.
You've survived 3000 battles. You're an elite Xth member.
You've eliminated all Wanted Variants. One step closer to world peace.
You've destroyed a floor in Morimoto High-rise. Be careful when carrying heavy objects.
You've collected every Lethal Code. A top-notch Xth Squad is entitled to superior weapons and armor.
You've collected every upgraded Lethal Code. A must-have for any intense battle.
You've used the Monk and Conjurer Blood Codes. It's hard to resist using new gifts.
You've crushed Patricia and stopped YHAL. You managed to rescue Masa and return safely.
You've stopped Alice, who awakened her Akashic powers. But the cost of that victory was too high...
You've boosted items 30 times. This is the secret to making your favorite items last.
You've used Gamble Codes 30 times. Good or bad!? Win or lose!? Let's find out!
You've survived 1000 battles. You're becoming a real Xth member.
You've mastered every skill contained in a Blood Code. There is nothing left to teach you.
You leapt off the subway. You could've seriously injured yourself!
You've defeated Maiden Master and revealed the truth. Looks like Johnny is okay, too.
You've defeated X-Wizar, along with his Code Physics camouflage, Elusive Shadow, again!
You've obtained 500 Code chips. No chip left behind, no matter how small.
You've encountered and fought remnants of the TPF. They're operating in secret to avoid exposure.
You've eliminated 5000 Variants. Your strength is unstoppable.
You've obtained the famous bewitching blades, Muramasa and MURAMASA. Every weapon collector should own these.
You've collected 300,000 GP. It may be digital currency, but you're still loaded!
With Masuaki's help, you managed to escape. Never forget Masuaki's noble sacrifice.
You've vastly increased your Unity Gauge. Nothing can tear us apart.
The second semester starts today. So ends the Xth's summer vacation.
You've defeated the mysterious X-Wizar. His real name is...Akito Saeki!?
You've used every Unity Skill. Your squad is a well-oiled machine.
You've collected many rare items. Is there any other reason for rare items to exist?
You've crushed the TPF's ambitions and exposed their crimes to the world. Compulsory investigation will commence soon.
You've stopped Goldman's threat. All thanks to Alice's strong determination.
You've eliminated Phantom Nono. ...Hard to believe she ended up like this.
You've crafted items 30 times. Always create the things you need.
You've retrieved the stolen Blood Code. Monks are pugilists who excel in the front row.
You've survived 20 battles with the Encounter Gauge maxed out. Risk big, win big.
You've stripped items 30 times. Scrap everything you don't need.
You've eliminated a Wanted Variant. The battle has just begun.
You've completed your first mission. Keep up the good work.