If you even need a mysterious concoction made by an skaven sorcerer, evil brewer or misguided alchemist I present you a set of tables to randomly generate them!
You get a nice power, sometimes a minor side effects and a major drawback.
It's still a Work in progress as I intend to clear some issues with it and implement a web generator with expanded content.
https://pacomiscelaneousstuff.blogspot. ... es_17.html