Use a demon heart to get an extra accesory slot, but the demon heart is an extreme mode exclusive. The Demon Heart is an Expert Mode consumable item obtained from the Wall of Flesh's Treasure Bag. "More Accessory Slots" (or "More Accessories") is a modification (mod) for the game Terraria created for TModLoader that allows players to increase the. 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. · Now only drops in Expert Mode and uses the. slot counts ingame. Additionally, vanity accessory. Upvote Downvote Reply reply. Now grants an extra accessory slot when used. 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. It permanently grants the player an extra accessory slot. . [HOST] › wiki › Accessories. • 3y ago. Rarity Level: rainbow. A: Terraria begins to freak out with a ton of accessory slots. Version Added incompatability check for "Extra Accessory Slots". rarity instead of · Decreased use animation.