Diamondmatter
Skeletron Prime
Crimson, easily. The sounds are so creepy and the whole area is just way more foreboding than the Corruption. I find myself much less motivated to eradicate the Corruption than the Crimson.
Haha, agreed. I hate passing through my surface one. I don't like how the whole sky goes black and then straight-up weird music plays.But honestly, if we're on scary biomes, the Glowing Mushroom biome freaks me out for no good reason.