Det finns många stavar som kan betraktas som "motkurser", genom att de negerar eller reverserar effekterna av en förbannelse.
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Snape verkar känna en motkämpare för Sectumsempra :
The door banged open behind Harry and he looked up, terrified: Snape had burst into the room, his face livid. Pushing Harry roughly aside, he knelt over Malfoy, drew his wand, and traced it over the deep wounds Harry’s curse had made, muttering an incantation that sounded almost like song. The flow of blood seemed to ease; Snape wiped the residue from Malfoy’s face and repeated his spell. Now the wounds seemed to be knitting.
—Harry Potter and the Half-Blood Prince
Även om detta helt enkelt skulle kunna vara en generisk helande stavning, var det faktum att Snape uppfann Sectumsempra , och misslyckades med att ha en motkämpare för sin andra uppfinning, Levicorpus , föreslår annat.
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Stunning Spell ( Stupefy ) kan vändas av Rennervate :
“Stunned,” he said softly. His half-moon glasses glittered in the wandlight as he peered around at the surrounding trees.
“Should I go and get someone?” said Harry. “Madam Pomfrey?”
“No,” said Dumbledore swiftly. “Stay here.”
He raised his wand into the air and pointed it in the direction of Hagrid’s cabin. Harry saw something silvery dart out of it and streak away through the trees like a ghostly bird. Then Dumbledore bent over Krum again, pointed his wand at him, and muttered, “Rennervate.”
—Harry Potter and the Goblet of Fire
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Levicorpus , hade givetvis en motspelare:
She raised her wand, pointed it at Harry, and whispered, “Levicorpus.”
[...]
“Liberacorpus!” yelled Harry, and with a crash he and Griphook landed on the surface of the swelling treasure, and the sword flew out of Harry’s hand.
—Harry Potter and the Deathly Hallows
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Petrificus Totalus har något slag av motkämpare:
There was a flash of red light and Harry’s body unfroze; he was able to push himself into a more dignified sitting position, hastily wipe the blood off his bruised face with the back of his hand, and raise his head to look up at Tonks, who was holding the Invisibility Cloak she had just pulled away.
—Harry Potter and the Half-Blood Prince
Det är mycket möjligt att denna stavning verkligen är Rennervate , vilket gav en liknande effekt när Harry försökte använda den för att återuppliva Dumbledore:
“No!” shouted Harry, who had stood to refill the goblet again; instead he dropped the cup into the basin, flung himself down
beside Dumbledore, and heaved him over onto his back; Dumbledore’s glasses were askew, his mouth agape, his eyes closed. “No,” said Harry, shaking Dumbledore, “no, you’re not dead, you said it wasn’t poison, wake up, wake up — Rennervate!” he cried, his wand pointing at Dumbledore’s chest; there was a flash of red light but nothing happened. “Rennervate — sir — please —”—Harry Potter and the Half-Blood Prince
Alla dessa verkar innebära en särskild incantation , vare sig verbal eller nonverbal. Observera dock att Harry försökte använda Rennervate på Dumbledore när han var medvetslös, och Tonks kan väl ha använt det för att frigöra honom från Full Body-Bind, så att vissa motspelare kan arbeta med flera förbannelser .
Det verkar emellertid inte vara någon generisk formel för motspelare eller motkurser (som att säga orden bakåt), som det finns i vissa verk.