Regulus and Kreacher

"That was a very terrible potion!" Kreacher drew a deep breath, as if gathering his courage. "The Dark Lord made Kreacher drink those potions... not a single drop could be left!"

Even though he had mustered his courage, his body still curled up by instinct. Clearly, that experience had been far too terrifying.

"Kreacher drank those potions... the Dark Lord did not stop... cup after cup... so many horrible sights appeared..."

"Kreacher saw Mistress crying... saw Master Regulus grieving... saw Master doing everything he could to destroy everything..."

"But Kreacher couldn't stop it... couldn't stop heartless Master Sirius Black... could only let Master Regulus and the others suffer..."

After all, Kreacher was a House-elf, and the things that terrified him were bound to be different from what terrified other people.

"What else could I have said..." Sirius Black sounded rather helpless too. "You've seen my mother as well... What do you think I could have done besides leave?"

Lupin patted Sirius Black on the shoulder and pursed his lips in understanding. Harry also murmured something, expressing his support for Sirius Black.

Kreacher went on, "Kreacher could only call for help then... asking Mistress to save poor Kreacher quickly... asking Master Regulus to save poor Kreacher quickly..."

"The Dark Lord was still laughing. Kreacher felt as if his body was on fire... as if he was going to melt... until all the potion had been drunk..."

He swallowed. "The Dark Lord threw that locket into the Stone Basin... somehow... the potion in the Stone Basin was filled up again by the Dark Lord..."

"Kreacher was abandoned. The Dark Lord left alone in the boat... left Kreacher in that place... Kreacher's mouth was very thirsty... so thirsty he was going to die! Kreacher only wanted to drink water!"

"There were many hands