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How to Unlock Kaine’s Sword In Nier Replicant, The Secret Weapon (Spoiler Alert)

Want to know how to get the strongest hidden weapon that has one-shot kills in Nier Replicant? You are at the right place.

Kainé’s Sword is one of the most powerful weapons in Nier Replicant wielded by Kainé herself. And when we say powerful, we mean 999 physical damage powerful! This single-handed sword is newly introduced in the game and can be leveled up to level 4. It is the strongest weapon in the game which can kill smaller enemies in just one hit. We know you want this weapon as much as we do but being a secret weapon, you may find it difficult to get your hands on it. So let us share our secrets and tell you how to get the hidden weapon: Kaine’s Sword in Nier Replicant. x

How to Get Kaine’s Sword in Nier Replicant?


Kaine Sword Stats

You can get Kaine’s sword only after you have seen all the 5 endings which include the new ending E in Nier Replicant.
To get to the ending E in Nier Replicant, you will have to first finish seeing the ending D. Once this is done, start an entirely new game where the previous ending’s save file is deleted. Create a new playthrough with a new name and play normally. The Ending E will be unlocked when you defeat Hook at The Aerie. Until then, you will see the same story. Once at the finish, the game will ask you if you would like to restore Nier. Select the Yes option which will restore your deleted saved files from D.

Reach the new ending E and let the credits roll. Post that you will see the below message saying that you have a parting greeting option available:


Parting Greeting Secret Weapon Notification Nier

Right after that pop-up,  you will see the following message that is mentioned in the picture:

Nier Notification


Go to Kainé shack, there you will get a notification looking like the picture below saying you have obtained Kaine’s sword:

Kaine Sword Secret Weapon Nier Replicant

Congratulations! You now own the most powerful weapon in the game and Kanié will do a little happy dance for you.


So that is all about how to unlock the hidden Kainé’s Sword, a secret most powerful weapon in Nier Replicant. If you would like to know how to load a previous save in Nier Replicant then check out our article on that too.