Accessory Slot may refer to: A mechanic in Final Fantasy XIII and Final Fantasy XIII; accessory slots are unlocked in the Crystarium system. . More Accessory Slots are available in the Crystarium as you advance through the game (last slot is unlocked at Stage 10). Here's how to increase Accessory Slots in Crisis Core: Final Fantasy 7 Reunion. The 4th Accessory slot for each character will be in whichever primary role hasn't already unlocked an extra Accessory slot. Accessory Slots can be extremely helpful for players. If I remember correctly, the max capacity. As for what the limit is. For a list of the unique/limited-. Fair warning, if you don't have any extra inventory slots, all extra items won from quest completion will be lost. For Final Fantasy XIII on the PlayStation 3, a GameFAQs message board topic titled "Max amount of accessory slots?". Recommended Accessory Setups: Early Setup: 1- Watchman's Amulet/Shrouding Talisman 2- HP Boost/Royal Armlet Keep Vidofnir equipped and dual. Each accessory takes a certain amount of capacity, and you have a maximum capacity for accessories.