• Potions The Elixer to Induce Euphoria is a potion which induces intense excitement and happiness in the drinker, with occasional side effects of excessive singing and nose-tweaking (the addition of peppermint would tend to counterbalance that effect, according to notations by the Half-Blood Prince in Harry’s potions textbook) (HBP22). Read More
• Potions The Elixir of Life is an alchemical substance which extends life, created using the Philosopher’s Stone. The elixir must be consumed regularly for all eternity if the drinker is to maintain his or her immortality (HBP23). Read More
• Potions Everlasting Elixirs are a type of potion studied during the 6th-year at Hogwarts. Students research information on the topic in the book Advanced Potion-Making (HBP15). Read More
• Spells A corporeal Patronus is a fully-shaped spirit animal conjured with the Patronus Charm (OP8, OP16). The Patronus Charm is extremely difficult for most witches and wizards, so a corporeal Patronus that takes the form of a living animal is rare and shows great magical ability (Pm). An “incorporeal patronus”… Read More
• Magical effects A Patronus is a silvery-white image of a creature created by using the Patronus Charm. Lupin describes a Patronus as “a kind of positive force, a projection of the very things that the dementor feeds upon — hope, happiness, the desire to survive — but it cannot feel… Read More
• Spells The Patronus Charm, expecto patronum, conjures a silvery phantom shape, usually that of an animal, which is the embodiment of the positive thoughts of the caster. A Patronus will drive away Dementors. A fully-shaped spirit animal is called a “Corporeal Patronus.” (OP8, OP16)… Read More
• Spells The Disarming Charm causes opponent’s weapon to fly out of his or her hand. The opponent is then said to have been Disarmed. The  Disarming Charm is a basic defensive spell, taught at the Duelling Club by Snape (CS10). Although it is a basic spell, it is rather difficult,… Read More
• Potions A glowing fluid from the horn of an Erumpent. An Erumpent can fill something with this fluid by piercing it with its horn. Soon after that, the item will explode (WFT). Read More