Quartz is a useful upgrade material in that appears as small white crystals. Quartz is the key material for upgrading the P-Organ, Pinocchio's skill tree. Players must spend Quartz to unlock different nodes within the P-Organ and gain different abilities and perks. Unfortunately, Quartz is a rare material throughout Krat.
In order to find Quartz, you'll have to dive into the secret areas of Krat and tackle some of its toughest bosses. There are 29 Quartz hidden throughout the game. They can only be collected once. Luckily, you won't permanently lose your Quartz after unlocking a node. If you want to reset Pinocchio's abilities, you can regain your Quartz by spending Gold Coin Fruit.
Related: Lies of P: How To Upgrade The P-Organ
Many of the major bosses in drop Quartz upon defeat. The Parade Master in Krat Central Station Plaza is the first boss to drop Quartz. This will likely be the first piece of Quartz you collect in your playthrough. The Scrapped Watchman in Krat City Hall is the next boss to drop Quartz if you can dodge its swift attacks. After that, there are three Puppets of the Future that each drop one Quartz; one in Workshop Union Culvert, and two wandering in Barren Swamp.
Some of the other bosses that drop Quartz include the Mad Clown Puppet in Rosa Isabelle Street Culvert, the Corrupted Parade Master in Krat Central Station Lobby, and the Black Rabbit Brotherhood in Relic of Trimegistus. The Mad Clown Puppet in is an optional boss, so make sure you fight him and don't miss out on extra Quartz.
There are also a few other enemies who drop Quartz upon death. The Mutated Carcass lurks in a large room within St. Frangelico's Cathedral Chapel past the giant wheels and has a Quartz in its possession. If you're in
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