The blood of the slain is talking about the blood of the people who were killed but you also need to explain what it means so when you write down the answer make sure you explain more cause my teacher wants a more explained answer so i am sure your teacher wants the same answer more explained. I hope this helps :)
the blood of those killed
Slain is a form of the word to slay. Someone who is slain is dead.
goodbye
It means 'Chooser of the Slain'.
Valkyrie means 'Chooser of the Slain.'
They are the children of Poseidon by Medusa. They sprang from her neck and blood, fully grown, after she was slain by Perseus.
Thomas Paine
It must be misspelled. Irish has no 'x'.
The word Valkyrie means 'Chooser of the Slain' in Old Norse.
You can drink alchohol, but only if it contains the blood of a slain infidel
The History of Texas is written in the blood of the martyrs slain at Goliad and the Alamo.
The knight bravely fought in the battle and ultimately was slain by the enemy's sword.
Being slain means killed, so it's redundant to say 'fatally slain'. Should just be 'man is slain'.