...because being able to talk to snakes was what Salazar Slytherin was famous for. That’s why the symbol of Slytherin House is a serpent.
They called Slytherin himself Serpent-tongue.
Of the many fearsome beasts and monsters that roam our land, there is none more curious or more deadly than the Basilisk, known also as the King of Serpents.
The serpents parted as the wall cracked open, the halves slid smoothly out of sight, and Harry, shaking from head to foot, walked inside.
The monster in the Chamber’s a basilisk — a giant serpent!
She set the Serpent of Slytherin on four Mudbloods, and the Squib’s cat.
And then, at last, as he crept around yet another bend, he saw a solid wall ahead on which two entwined serpents were carved, their eyes set with great, glinting emeralds.
Harry wanted to shout, "Don’t leave me!" but what chance did a phoenix have against the king of serpents?
Harry felt it shudder — he knew what was happening, he could sense it, could almost see the giant serpent uncoiling itself from Slytherin’s mouth.
The enormous serpent, bright, poisonous green, thick as an oak trunk, had raised itself high in the air and its great blunt head was weaving drunkenly between the pillars.
Towering stone pillars entwined with more carved serpents rose to support a ceiling lost in darkness, casting long, black shadows through the odd, greenish gloom that filled the place.
He fell hard onto the stone and tasted blood the serpent was barely feet from him, he could hear it coming There was a loud, explosive spitting sound right above him, and then something heavy hit Harry so hard that he was smashed into the wall.
He raised the sword in both his hands The basilisk lunged again, and this time its aim was true — Harry threw his whole weight behind the sword and drove it to the hilt into the roof of the serpent’s mouth But as warm blood drenched Harry’s arms, he felt a searing pain just above his elbow.
KILL HIMI" The blinded serpent swayed, confused, still deadly.
You were fantastic, Fawkes …… " 1,520 He felt the bird lay its beautiful head on the spot where the serpent’s fang had pierced him.