Nier: Automata There are many weapons for each protagonist to find and use. Your inventory carries over through each playthrough and can be used throughout the game, further encouraging players to invest time and resources into making their favorite weapons stronger.
Depending on the weapon you choose to upgrade, one of the crafting materials players will often need is titanium alloy. There are a few set locations where you can obtain Titanium Alloy, and you can find some in the main story, but you'll also want to know how to farm it whenever you desperately need more. Here's how:

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NieR: Where to Farm Titanium Alloy in Automata
The best places to farm titanium alloy are unlocked after completing Chapter 3 in the base game, and can be unlocked in just a few hours of gameplay. The location itself Where you fight Adam at the end of Chapter 3In an evil machine village deep in the desert. If you haven't been here in a while, the closest fast travel point is Desert: housing complex location.
Quickly travel there and go northwest through the complex, then follow the linear path to reach the machine's old lair. Once you reach the bottom of the crater, enemies spawn in constant waves, with more spawning just seconds after you destroy the ones already present. This is Infinite Mechanical Spawning PitIt's also a good place to farm for XP, as enemies keep coming. The following enemies can be found in the pit:
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Goliath bipedal walking
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explosive
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Medium Biped
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desert bipeds
you are Medium BipedAs the name suggests, it will be a medium-sized mech that spawns in these pits. The following items drop from enemies level 18 and above: Chance to drop titanium alloy when destroyedAnd thanks to their spawn rate, you can easily obtain dozens of titanium alloys in just a few minutes of farming.
Machines destroyed in these pits will only respawn of the same type after a few seconds, so attack everything, but know that the frequency with which the Heavy Bipeds spawn will always remain the same. Later in the game, you can use chapter select to return to this location whenever you want.
There will be a lot of item drops from all enemies, so make sure to get them all so you don't miss out on the Titanium Alloy.