This is a small Thaumcraft 4 addon I've been working on to add a little "darkness" to Thaumcraft.

Some of the current features include:

Five new wand cores, three of which add cross-mod interactions
Creative-only wand with infinite vis, for testing or shenanigans
New tools
New enchantments
A new craftable spawner that actually works without players nearby
Magical scribing tools to help with research
New flowers to help your thaumaturgy when Botania is installed
A new Blood Magic ritual to protect you from Warp
A new blood orb for blood mages who like to delve into the unspeakable

For more info, check out the forum thread.
Screenshots:

Install Instructions:

Install Forge and Thaumcraft 4, and then drop this mod's .jar file into your mods folder.

Modpacks:
I like modpacks. A lot. Like, I can't even remember the last time I played a single mod by itself. I grant blanket permission to use my mod in any modpack, but reserve the right to change my mind.

Keep in mind that my mod requires Thaumcraft to run and I do not have the authority to grant permission for that.

FAQ:

Q: Will you update to (newer Minecraft version) ?
A: No.

Forbidden Magic