What happens to the Orb?

Hint 1 of 7:

It should find its way out of the Catacombs and back to the garden.

Hint 2 of 7:

That assumes you gave the Orb a place to go.

Hint 3 of 7:

Remember the Lawn Ornaments?

Hint 4 of 7:

There is a statue, a bust?

Hint 5 of 7:

Did you ever, even by accident, knock it down?  With the Roller?

Hint 6 of 7:

You uncover a well.

Hint 7 of 7:

This is where the Orb is supposed to go.