An Ascension is when a mortal or part-demon becomes pure demon, resulting in massive destruction. In 3.21 Graduation Day (Part One) Anya revealed she was the only living person to witness …

In 3.18 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 3.17 Enemies. They both confirm that …

In 3.22 Graduation Day (Part Two), the Mayor turned into a giant snake-demon. His Ascension is referenced in several future episodes. In 4.03 The Harsh Light Of Day, Harmony and Willow discuss …

A horned demon tries to sell the Books of Ascension to Buffy and Faith in 3.17 Enemies. He says they are:

“Very powerful works and I’m not talking about the prose. …

The Dedication was a ritual The Mayor performed one hundred days before his Ascension. It made him indestructible, proven when he survived when his head was sliced open with a …

In order to proceed with his Ascension, the Mayor of Sunnydale had the Box of Gavrok flown from Central America in 3.19 Choices. Buffy and Angel stole the box but Faith …

Lo-Hash was described in 3.21 Graduation Day (Part One) by Wesley as a “four winged soul killer” and not particularly fierce. Anya (the only person to ever survive an Ascension) told …

In 3.14 Bad Girls, we discover the Mayor is going to have an Ascension in 100 days and that he is now invincible.