But next moment the troll was up, his dark narrow face terrible with rage, for the blood ran down the deer-skin tunic which half covered him. And then the blows of his iron rod came thicker and faster, while he moved so swiftly round about the knight that Sir Owen, though he thrust quickly and fiercely, could not strike him again.
Sir Owen was becoming dizzy and weak, and felt that not for long now could he bear up his dented and broken shield against the blows that must at length smash his arm.
Suddenly the quick movements of the little troll ceased, and he staggered. Then he dropped the iron bar and swayed like a drunken man towards the knight. He fell on his knees before Sir Owen, put his head upon the ground, and clutched the knight's steel-clad foot as if to put it upon his neck. But he could do no more, and so lay panting and spent with exhaustion.
And Sir Owen could not find it in himself to pierce him through with his sword, for the troll's subjection made pity come into his heart.
'Ah, sir troll!' said the knight, panting also, and very fain to rest. 'A brave troll thou art, seeing thou hast used no magic, but hath fought me like a very man.'
'Chieftain,' gasped the troll, 'my heart is like to break, for thou hast tried me sore. Never yet hath a knight that sought the fountain withstood my rod as valiantly as thou hast, and thou hast put my strength all to naught.'
'But I know not why thou didst try to slay me,' said Sir Owen, 'seeing that I did but ask thee to show me my way to the fountain.'
'I am the slave of him that overcometh me,' answered the troll, 'and I must do his bidding. Sir Dewin did conquer me by evil wizardry, and he sent thee to me with the three knocks on my door, whereby I knew he commanded me to slay thee.'
'Well, and what wilt thou do now, valiant troll?'
'I must hide me from the wrath of Sir Dewin,' said the troll, 'until my sore wound is healed. Then will I be thy slave, sir knight, and help thee in whatever adventure thou mayst wish!'