Please read the pinned post on creating biomes and dimensions. Please put items for the new Mountains and Nether Updates in their proper categories. Remember portals are structures, that includes Nether portals.

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930votes
Add natural events to the Nether. under review
1229votes
(Dimension) Sky lands under review
434votes
Dream Biome! under review
2836votes
Volcano Biome under review
773votes
Make it rain in savanna biomes so that we can bless the rains down in Africa! under review
928votes
(Swamp) Fog under review
965votes
Biome: Magic Forest under review
2379votes
Oasis under review
1014votes
Sandstorms under review
1194votes
Giants Biome under review
895votes
New Biome Called Cherry Blossom Grove under review