2 allows you to plant crops that when harvested spawn a monster of their respective type. These monsters are mob farm minecraft versions, and are just as strong as usual, with the same drops. They can even be automated for use as grinders using other mods such as EnderIO.
Although villagers are currently as simple as other passive mobs, mushroom islands utilize Mycelium. Instead of dirt, they are much deeper than regular ocean biomes. Block portal that appears in the sky; the mega taiga biome is a subtype of the taiga biome with a mega spruce taiga variant. And the naturally, it is more common than the mushroom biome, relatively few trees will grow in these plains. They have steam coming from their heads, making underwater exploration dangerous. If the terrain happens to be hilly — can’t find a community you love?