Blood and Irony by J Osako is an early Daria fanfic, and the first written of his Sick Sad World of Darkness crossover of Daria and The World of Darkness.
Daria and Jane have developed psychic abilities and they have reason to believe that the death of one of the school's coaches may have had a supernatural cause.
In the Author's Notes, J Osako wrote he was inspired by a binge of Daria episodes at a gamer party and comments by a game designer "that the episode 'Pinch Sitters' is proof positive that Jane was a mind mage - she clearly used magick to change the personalities of the Gupty children."
First written in April 1998 and uploaded to alt.tv.daria on 6th May 1998, it is one of the oldest known Daria fanfics still online!
Blood and Irony Part 1 on Google Groups archive for alt.tv.daria