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