How do I upgrade my weapons in Nier Automata?

Q: How do I upgrade my weapons in Nier Automata?

<b>The Weapons Vendor at the Resistance Camp</b> can upgrade your weapons. The lore and background of weapons can be unlocked by this. It is possible to upgrade a weapon to Level 4. Weapons Vendors can only upgrade their weapons to Level 3. On Mar 8th, 2017:

Question

The Weapons Vendor at the Resistance Camp can upgrade your weapons. The lore and background of weapons can be unlocked by this. It is possible to upgrade a weapon to Level 4. Weapons Vendors can only upgrade their weapons to Level 3. On Mar 8th, 2017:

Hagrid P Hazard · Accepted Answer

The Weapons Vendor at the Resistance Camp can upgrade your weapons. The lore and background of weapons can be unlocked by this. It is possible to upgrade a weapon to Level 4. Weapons Vendors can only upgrade their weapons to Level 3. On Mar 8th, 2017:

How do I upgrade my weapons in Nier Automata?

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