To these words of Sir Lancelot's, King Arthur answered nothing, but in his heart he would fain have made peace with Sir Lancelot, but Sir Gawaine would not let him. He reproached Sir Lancelot bitterly for the deaths of his brothers and kinsmen, and called Sir Lancelot a craven and other ill names that he would not fight with King Arthur. So at the last Sir Lancelot's patience and courtesy failed him, and he told them that the next morning he would give them battle.
The heart of Sir Gawaine leaped with joy when he heard these words of Sir Lancelot, and he summoned all his friends and his kinsfolk, and bade them watch well Sir Lancelot, and to slay him if a chance offered. But he knew not that Sir Lancelot had bidden the Knights of his following in no wise to touch King Arthur or Sir Gawaine. And when the dawn broke a great host marched out of the Castle of Joyous Gard, with Sir Lancelot at the head, and Sir Bors and Sir Lionel commanding on either side. All that day they fought, and sometimes one army seemed to be gaining, and sometimes the other. Many times King Arthur drew near Sir Lancelot, and would have slain him, and Sir Lancelot suffered him, and would not strike again. But the King was unhorsed by Sir Bors, and would have been slain but for Sir Lancelot, who stayed his hand. 'My lord Arthur,' he said, 'for God's love stop this strife. I cannot strike you, so you will gain no fame by it, though your friends never cease from trying to slay me. My lord, remember what I have done in many places and how evil is now my reward.' Then when King Arthur was on his horse again he looked on Sir Lancelot, and tears burst from his eyes, thinking of the great courtesy that was in Sir Lancelot more than in any other man. He sighed to himself, saying softly, 'Alas! that ever this war began,' and rode away, while the battle ended for that time and the dead were buried.
But Sir Gawaine would not suffer the King to make peace, and they fought on, now in one place, and now in another, till the Pope heard of the strife and sent a noble clerk, the Bishop of Rochester, to charge the King to make peace with Sir Lancelot, and to take back unto him his Queen, the Lady Guenevere. Now the King, as has been said, would fain have followed the Pope's counsel and have accorded with Sir Lancelot, but Sir Gawaine would not suffer him. However, as to the Queen Sir Gawaine said nothing; and King Arthur gave audience to the Bishop, and swore on his great seal that he would take back the Queen as the Pope desired, and that if Sir Lancelot brought her he should come safe and go safe. So the Bishop rode to Joyous Gard and showed Sir Lancelot what the Pope had written and King Arthur had answered, and told him of the perils which would befall him if he withheld the Queen. 'It was never in my thought,' answered Sir Lancelot, 'to withhold the Queen from King Arthur, but as she would have been dead for my sake it was my part to save her life, and to keep her from danger till better times came. And I thank God that the Pope has made peace, and I shall be a thousand times gladder to bring her back than I was to take her away. Therefore ride to the King, and say that in eight days I myself will bring the Lady Guenevere unto him.' So the Bishop departed, and came to the King at Carlisle, and told him what Sir Lancelot had answered, and tears burst from the King's eyes once more.
A goodly host of a hundred Knights rode eight days later from the Castle of Joyous Gard; every Knight was clothed in green velvet, and held in his hand a branch of olive, and bestrode a horse with trappings down to his heels. And behind the Queen were four and twenty gentlewomen clad in green likewise, while twelve esquires attended on Sir Lancelot. He and the Queen wore dresses of white and gold tissue, and their horses were clothed in housings of the same, set with precious stones and pearls; and no man had ever gazed on such a noble pair, as they rode from Joyous Gard to Carlisle. When they reached the castle, Sir Lancelot sprang from his horse and helped the Queen from hers, and led her to where King Arthur sat, with Sir Gawaine and many lords around him. He kneeled down, and the Queen kneeled with him, and many Knights wept as though it had been their own kin. But Arthur sat still and said nothing. At that Sir Lancelot rose, and the Queen likewise, and, looking straight at the King, he spoke:
'Most noble King, I have brought to you my lady the Queen, as right requires; and time hath been, my lord Arthur, that you have been greatly pleased with me when I did battle for my lady your Queen. And full well you know that she has been put to great wrong ere this, and it seems to me I had more cause to deliver her from this fire, seeing she would have been burnt for my sake.'
'Well, well, Sir Lancelot,' said the King, 'I have given you no cause to do to me as you have done, for I have held you dearer than any of my Knights.' But Sir Gawaine would not suffer the King to listen to anything Sir Lancelot said, and told him roughly that while one of them lived peace could never be made, and desired on behalf of the King that in fifteen days he should be gone out of the country. And still King Arthur said nothing, but suffered Sir Gawaine to talk as he would; and Sir Lancelot took farewell of him and of the Queen, and rode, grieving sorely, out of the Court, and sailed to his lands beyond the sea.
Though the Queen was returned again, and Sir Lancelot was beyond the sea, the hate of Sir Gawaine towards him was in no way set at rest, but he raised a great host and persuaded the King to follow him. And after many sieges and long fighting Sir Gawaine did battle with Sir Lancelot once more, and was worsted, and Sir Lancelot might have slain him, but would not. While he lay wounded tidings came to King Arthur from England that caused the King to give up his war with Sir Lancelot and return in all haste to his own country.