Thus Sir Lancelot rode so far into the land that he came nigh to the place where he had heard that the fearful beast had made its lair. There did he see many a helm, and spear, and weapon of the knights it had slain, whose bones lay there stripped of flesh, which the monster had devoured; he might well be afraid! So soon as Lancelot might know where the beast was wont to lie, he made haste thitherward, and so soon as it was ware of his coming it came flying in such guise as it had been the Devil, and set upon Sir Lancelot straightway. It feared neither sword nor spear, nor armour, nor might of man. And Lancelot smote at the monster so that his spear brake in twain, yet had he not bruised it a whit, or pierced its hide; then he drew forth his sword and smote with great force, but he harmed it not, and it seized Lancelot by the throat and scored him in such wise that the knight was wroth thereof, for it tare a great rent through the hauberk even to the flesh, and wounded him sore. Many a time did Sir Lancelot strike and smite at the beast, but never a groat might he harm it; but the monster fell upon Sir Lancelot and scored him even to the feet, and dealt him many a wound, and breathed out venom upon him; had it not been for a ring which Sir Lancelot ware upon his finger he had fallen dead where he stood from the poison. Then the monster sprang towards him with gaping jaws, as it were fain to swallow him, and Lancelot watched his chance, and thrust his sword into its mouth, and clave the heart in sunder, and the beast gave a cry so terrible that 'twas heard a good two mile off.

Then the traitor who spied all from afar, when he heard the cry delayed not, but rode swiftly towards the lair, for he knew well from the cry that the monster was slain. When he came to the place he found Sir Lancelot sitting, binding up his wounds, which were many and deep. The knight began to bemoan his plight, and went towards him saying that he would bind his wounds for him. That cowardly and wicked knight, he came even to Sir Lancelot's side, and snatched stealthily at his sword, and sprang backward and smote at him, wounding him so that he fell as one dead.

When the false traitor saw this he deemed that he was dead, and left him lying, and went there, where the monster lay, and smote off the right foot, thinking to take it to the maiden of whom I have told ye, that he might therewith win her to wife.

But in this while had Sir Gawain ridden so far that he had learned the truth how that Sir Lancelot had found the beast, and at this time he had followed upon his tracks and came unto the lair even as the traitor had wounded Sir Lancelot, and cut off the foot, and was mounted upon Sir Lancelot's steed, which that good knight, Sir Gawain, knew right well.

So soon as he saw the stranger upon the steed, and Lancelot, who lay there wounded, he rode fast towards him, and drew out his good sword, and cried, "Abide ye still, Sir Murderer, for this beast have ye slain my comrade, that do I see right well." That false and cruel knight had fain ridden thence, but Sir Gawain was so nigh to him that he could not avoid, and smote at him so fiercely that he must needs abide, and draw bridle, and pray for mercy.

Sir Gawain was of a mind to bring him to Sir Lancelot ere he made terms with him. Thus they came together, and Lancelot, who was now recovered from the swoon in which he had lain, and was ware of Sir Gawain, cried to him concerning the traitor who had smitten him all unarmed, "Dear comrade, slay him. I shall die the easier, knowing that he be already dead." As he spake thus, Sir Gawain made no more ado but smote off the traitor's head.

Then did he forthwith go to bemoan his comrade, and quoth, "Sir Knight, may ye not be healed? Tell me now the truth; I will aid ye as I may." Then Sir Lancelot did him to wit how he had fared with the beast, and how the traitor had thereafter wounded him. "And this hath wrought me the greater harm; yet might I but find a place wherein to rest methinks I might well be healed."

Then was Sir Gawain glad at heart, and he bound up his wounds forthwith with herbs of such virtue as should stay the bleeding; and he took Sir Lancelot and set him upon his steed, and turned him again towards the hermit's cell as best he might, for 'twas in both their minds that might they but come thither Sir Gawain should surely heal him. Thus did they ride until they had found the hermitage, and scarce had they come thither when they were ware of Morien with Sir Gariët and Sir Perceval, who came thither as at that time.

Then was there joy and gladness manifold. The Hermit made ready food for his guests, and prepared a couch for Sir Lancelot as best he might. Each told the other how matters had fallen out with them, and Morien gave them to wit how it had fared with his father.

That night were they well entreated by the hermit, but the morrow so soon as Sir Lancelot heard how it went with the queen, even should he gain the world thereby he had remained no longer, neither for wounds nor for weariness, for, he said, he was surely healed, and was fain to be at strife. Thus must they all ride forth, whether they would or no, with the early morning, for they might not lose a day. Sir Gawain would tend Sir Lancelot's wounds even as they rode on their way.