Fungus

A fungus is a mushroom-like block that generates in the Nether. There are two types of fungi: crimson and warped.

Breaking
A fungus can be mined instantly with any tool or with no tool, and always drops itself. Mining a flower pot containing fungus drops the flower pot along with the fungus.

Natural generation
Fungi naturally generate in the crimson forest and warped forest biomes. Crimson fungi most commonly generate in the crimson forest biome and warped fungi most commonly generate in the warped forest biome.

Post-generation
Applying bone meal to nylium causes fungi to appear nearby, similar to flowers on grass blocks. While fungi of both types do generate this way, they are more likely to be the same type as the nylium.

Placement
Fungi may be placed on mycelium, grass blocks, dirt, coarse dirt, podzol, farmland, nylium, and soul soil. Attempting to place it on any other block fails. Fungus requires a solid block underneath it, and pops off and drop itself if it is no longer supported.

Growth
When bone meal is on fungi that is planted on matching nylium, it grows into its tall equivalent (similar to saplings and mushrooms). Crimson and warped fungi grow into crimson and warped huge fungi, respectively.

Breeding
Crimson fungi can be used to breed hoglins and lead them around. Warped fungi can be used to breed striders and lead them around.

Hoglins
All hoglins, regardless of age, avoid and run up to 7 blocks away from warped fungi when it is placed on a block or inside of a flower pot. This does not affect held warped fungi.

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