"Betimes in our land men have seen such mounds raised, as it were, on pillars at night, and under them halls full of dancing trolls.

But if the seer will go near them, all is gone.

And mostly thereafter he dies." "Not many trolls could get under those mounds we saw," I said.
"See, there are more here; they are too small for dwellings." There was indeed one of the heaps of earth close at hand to us, and Werbode rode toward it to see that none of the wild men lurked in its shelter.

He reached it, and then his horse started and leaped aside, almost falling; and through a rattle of falling stones my comrade called to the steed to "hold up." Whereon we supposed, of course, that he had been served as the horses of the thane had been crippled, and Erling and I ran to him, sword in hand, bidding the others go on.

But when we came to the side of Werbode, we found him staring into a pit which seemed to have opened under the weight of his horse; and there was no sign of other danger.
"Strange folk these," he said.