The correct answer is invoke a curse or judgment.
They were used to invoke the wrath of god upon your enemy.
I think the answer you are searching for is:
"On the fast track to madness due to the loss of his lover Lenore, the speaker in Edgar Allan Poe's poem "The Raven" would like nothing more than for the raven to give him good news about her return. When he asks the bird if he and Lenore will be reunited in Heaven, it accordingly responds "Nevermore!"
Hope this helps!!
Where are the questions lol
Working out: 6.25% = 4 half lives (20x4=80ma) 80ma is how old the rock is