Anya mentions some alternative universes in Triangle, including the Land of Trolls, the land of perpetual Wednesday and the world without shrimp.

An Ascension is when a mortal or part-demon becomes pure demon, resulting in massive destruction. In Graduation Day (Part 1) Anya revealed she was the only living person to witness an Ascension, and it took a volcano to destroy the resulting demon (Lohesh, a four winged soul killer). In Graduation …

Some demons have the ability to ‘infect’ those who come in contact with them with an aspect of themselves. In Earshot, Buffy became infected when she absorbed the blood of a telepathic demon and began to read the minds of those around her.

In Earshot, Giles and Wesley are still drawing a blank about the Mayor’s Ascension, despite Buffy and Angel’s attempts to get information from Faith in Enemies. They both confirm that the Mayor’s Ascension is not related to the ritual flaying of the demon Azarath.

In The Weight of the World, Giles discovers that Dawn’s blood is the key (no pun intended) to the ritual that will allow Glory to open the dimensional portal to return home. Giles says, “Once the blood is shed at a certain time and place, the fabric which separates all …

In Wrecked, Anya says the traditional dress for demon bridesmaids is “burlap with blood larva”. In Hell’s Bells, Willow wonders whether burlap and blood larva might be better than their actual green bridesmaid’s dresses.

In Unleashed, Royce uses Calendula to block Lorne from reading him whilst singing. Calendula is in fact a flower with yellow or orange flowers - related to the Marigold. In medicine, it has properties that reduce inflammation, control bleeding and soothe irritated tissue.

The Circle of the Black Thorn was a powerful secret society, whose members were considered to be the instruments of the Senior Partners on earth. Their goal was to enforce Wolfram & Hart’s apocalypse plans in return for power. The Circle’s members were composed of Archduke Sebassis, Senator Helen Brucker, …

The amulet given to Buffy by Angel in Chosen proves very useful to the Slayer but we don’t have much information on it. We know it has ‘cleansing’ power, and eventually cleans out all evil from the Hellmouth, causing Sunnydale to fall in on itself. Angel got the amulet from …

The monks of Dagon were the brethren who dedicated their lives to protecting the Key. They gave it a human form, and sent it to Buffy as a sister, hoping she would protect it from Glory. They also shaped the memories of those associated with Buffy so they thought Dawn …

This fraternity was based at Cresswell College in Sunnydale. The fraternity worshipped Machida and offered sacrifices of girls to the demon, who lived in their cellar. Buffy and Cordelia were offered as sacrifices in Reptile Boy, but Buffy killed Machida and the fraternity were imprisoned.

Doppelgangers are the ghosts of living people. They are identical in every way. Mythology has it that if you meet your doppelganger you will die, though this isn’t the case in the Buffyverse.

Josephus du Lac was a theologian and mathematician. He belonged to a religious sect that was excommunicated by the Vatican at the beginning of the nineteenth century. He invented the du Lac cross, which was used to decipher hidden meanings and encrypted texts, and wrote the du Lac manuscripts which …

Mary Wollstonecraft Shelly’s Frankenstein, or The Modern Prometheus, was first published in 1818, but the story of Frankenstein’s monster has been retold numerous times. In Buffy, there are a couple of examples of similar monsters to those in Shelly’s novel. In Some Assembly Required, Daryl Epps is brought back to …

In Where the Wild Things Are, the Scoobies discover that the spirits of repressed children have been unleashed on a frat house. Giles describes them as “Not a ghost. An apparition. I believe we’re dealing with a kind of poltergeist. A whole cluster of them, in fact, born out of …