Minecraft has a lot of blocks, but what if they had more? Why do we need them? Please don't just add lists of things - these will be marked as spam and removed! Also, no furniture, guns, or vertical/"sideways"/"upright"/"standing" slabs (yes, we see you).

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Fireflies

Fireflies would appear as a passive mob in swamp and mangrove biomes, spawning only at night and with a higher chance near water, lily pads, and dense vegetation, being more abundant during rain or full moons and avoiding areas with excessive artificial light; they would move in small swarms, floating slowly and dispersing if the player approaches too abruptly, and could be captured using a glass jar capable of storing between one and five fireflies, causing the jar’s light level to increase progressively with each one, from a faint glow to a maximum level at five, emitting a soft, pulsing light rather than a constant one; during the day, fireflies would completely turn off their glow, leaving the jar unlit until nightfall, and the jar could be placed or hung as a decorative block and used as natural nighttime lighting, with balance limitations such as not functioning in the Nether, reduced brightness in cold biomes, and not fully replacing torches, maintaining an immersive and vanilla-consistent Minecraft mechanic.

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    Fireflies would feed exclusively on mangrove grass, using this vegetation as their only food source, which would allow players to attract them, keep them alive inside jars, and facilitate their reproduction near mangrove areas, reinforcing their strong connection to this biome and adding ecological coherence to the mob’s behavior.

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    Registered User commented
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    Can u put this in English?

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    Registered User commented
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    theidea is good because it doesn’t leave fireflies as just something visual, but turns them into something useful. Making them a real mob instead of just a “pretty effect” gives players a reason to look for them, catch them, and use them for decoration. its also cool that the light depends on how many you have, because that makes it more than just another light block. It feels more dynamic and customizable, especially for building and decorating. the only thing is that it shouldn’t get too complicated or unbalanced, but as a concept, it’s well thought out and way better than having them as just a background detail with no interaction.