Adam saw this and at once reassured her.
"So long as her ladyship does not know whereabout I am, I shall have as much safety as remains to us; bear in mind, my darling, that we cannot be too careful." Sir Nathaniel realised that Adam was right; the White Worm had no supernatural powers and could not harm them until she discovered their hiding place.

It was agreed, therefore, that the two men should go together.
When the two men slipped out by the back door of the house, they walked cautiously along the avenue which trended towards the west.

Everything was pitch dark--so dark that at times they had to feel their way by the palings and tree-trunks.

They could still see, seemingly far in front of them and high up, the baleful light which at the height and distance seemed like a faint line.

As they were now on the level of the ground, the light seemed infinitely higher than it had from the top of the tower.
At the sight Adam's heart fell; the danger of the desperate enterprise which he had undertaken burst upon him.