The Originals
This Original's death caused an entire vampire bloodline to perish with him.
Finn Mikaelson
This building was constructed over the caverns where the Lockwood werewolves transformed during full moons.
The Lockwood Estate
This Bennett witch's spell allowed for the creation of daylight rings.
Emily Bennett
A vampire experiencing this rare condition becomes unable to keep down blood.
This element has the symbol AG on the Periodic Table.
Silver
This magical object contained the ashes of the white oak tree and was wielded by the Brotherhood of the Five.
The Hunter's Sword
This historical event was the true reason the founders killed vampires in 1864, not the Battle of Willow Creek.
The Burning of Fells Church
The Gemini Coven twins must perform this ritual to determine the coven's leader.
The Merge
When experiencing heightened emotions, vampires can inadvertently cause this phenomenon with electronic devices.
Power Surges
This mathematical equation was created by Pythagoras.
Pythagorean Theorem
Before becoming vampires, this Mikaelson sibling was engaged to be married to Tatia.
Elijah Mikaelson
The Salvatore brothers' father was killed during the vampire roundup while attempting to free this person.
Katherine Pierce
This unique type of magic allowed Bonnie to become the Anchor to the Other Side.
Expression Magic
Damon was sire-bonded to this vampire who turned him in 1864.
Charlotte
What is the boiling point of water.
212 °F (or) 100 °C
This Original was resurrected in a witch's body before returning to her Original form.
Rebekah Mikaelson
This Fell family member was secretly a vampire who infiltrated the Founder's Council.
Logan Fell
This ancestral spirit was bound to Elena through the hybrid sacrifice ritual and caused her to try killing herself.
Esther Mikaelson
In rare cases, vampires like Elena Gilbert can experience this unique connection to their sire.
Sire Bond
What is the symbol for gold on the Periodic Table.
AU
Mikael was known by this specific epithet among vampires for centuries.
The Destroyer (or) The Hunter Who Hunts Vampires
In the 1900s, this Gemini Coven witch created a prison world that preserved an exact replica of Mystic Falls.
Kai Parker
This ancient curse afflicted the Travelers and prevented them from gathering in groups or practicing traditional magic.
The Traveler Curse
This ancient vampire ritual involves a vampire feeding their victim their blood, killing them, and then burying them, resulting in a mentally unstable vampire with enhanced powers.
The Augustine/Ripper Process
What is the abbreviation for the European Union.
EU