Use a demon heart to get an extra accesory slot, but the demon heart is an extreme mode exclusive. A: Terraria begins to freak out with a ton of accessory slots. Rarity Level: rainbow. Now grants an extra accessory slot when used. • 3y ago. "More Accessory Slots" (or "More Accessories") is a modification (mod) for the game Terraria created for TModLoader that allows players to increase the. slot counts ingame. Upvote Downvote Reply reply. Makes every boss, event, and event boss give you an extra accessory slot on the first kill with a config allowing you to choose which give a slot, all enabled. Additionally, vanity accessory. It permanently grants the player an extra accessory slot. · Now only drops in Expert Mode and uses the. rarity instead of · Decreased use animation. The Demon Heart is an Expert Mode consumable item obtained from the Wall of Flesh's Treasure Bag. [HOST] › wiki › Accessories. In master mode you gain a sixth accessory slot without the need of a Demon Heart but can still gain a seventh slot by using one. . Version Added incompatability check for "Extra Accessory Slots".