Johnny's Treasure Trove is one of the most expansive side activities in — considering the laundry list of tasks it involves, a good reward seems almost inevitable. Unlike most side quests and mini-games in , Johnny's Treasure Trove isn't focused on a single activity. Instead, it's more of a dressed-up completion list akin to 's Curiosities. In order to complete Johnny's Treasure Trove, players will have to complete chocobo races, win Queen's Blood Tournaments, and find all the buried PLAY ARTS figures in .
There are a total of 88 items on Johnny's Treasure Trove checklist.
Some of these tasks are inevitably completed just by playing through the story. Others require getting top marks in difficult mini-games, dropping thousands of Gil on rare collectibles, or searching high and low in the remotest corners of 's map. Suffice to say that finishing the Treasure Trove isn't easy. At the very least, it'll take an entire playthrough to complete — but don't be surprised if there are some objectives remaining even after the credits roll. Still, Johnny promises to make it worth the party's while, rewarding them with his cache.
The rewards for finishing the Treasure Trove are the contents of Johnny's cache: a copy of Sheet Music — One-Winged Angel, along with a Gold Trophy on PS5. The sheet music allows Cloud to play Sephiroth's boss theme, "," on the piano. This is the final, and arguably the hardest, piece of piano sheet music in . It doesn't fundamentally change the gameplay or power up a character, but by the time most people obtain it, there's not much gameplay left.
However, the Sheet Music isn't tied to any achievement or completion list of its own, so once it's unlocked, players are free to ignore it. So, yes, the ultimate reward for 's mini-game completion list is access to another mini-game.
The Trophy for completing the Treasure Trove is called "." It's a gold Trophy, meaning it's worth 90 points towards a player's Trophy level. It's actually the only gold Trophy
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