Hey, pea brain!

At the end of the year, the house with the most points is awarded the house cup.

The Philosopher's Stone.

The house of Godric Gryffindor has commanded the respect...

powerful it is known as the Draught of the Living Dead.

...gives a student the right to walk about the school at night.

And the points stand thus:

...between the one they hunt and the one who gets in their way.

I must say, when I took the job, there was nothing in the description...

The Sorting Ceremony will begin momentarily.

This is it, Ron. I think this is the entrance to the Chamber of Secrets.

Follow the Chamber and you'll find Ron.

...against the foulest creatures known to wizardkind.

Wait a minute. "One of the teachers"?

We go down the trap door. Tonight.

As for monkshood and wolfsbane, they are the same plant, which also goes by the name of aconite.

All teachers to the second-floor corridor immediately.

It was searching the train for Sirius Black.

Now the moment you've all been waiting for:

You catch it. Before the other team's Seeker.