Infinigen is a vanilla friendly mod aimed to adding scary dungeons and cinematic biomes.

Frequent developement updates on @hyperpixel.coding (Instagram)

Features:

Biomes:

The Hauted Woods Biome paired with the Insanity Shader

One Ruin variation in the Haunted Woods Biome paired with the Insanity Shader

The Stonehenge in the Haunted Woods Biome paired with the Insanity Shader

The Haunted Temple entrance in the Haunted Woods Biome paired with the Insanity ShaderShader

A spawner in the Haunted Temple paired with the Complementary Reimagined Shader

If you are lucky you might find these loot chambers in the Haunted Temple (Complementary Reimagined Shader)

Depth - John Britton (Soundcloud, Pixabay) (Royalty Free)
- plays as soon as you enter the Haunted Woods Biome while not in creative mode

This mod is only avaliable for Forge right now

Should be compatible with pretty much any mod out there.

If you need help or find any bugs or incompatibilities you can contact me on: hyperpixelcoding@gmail.com or @hyperpixel.coding (Instagram).