So he went into his chamber, and counterfeit letters; and the letters specified that the Pope desired Sir Tristram to come himself, to make war upon the miscreants.

When the clerk was come again to Sir Tristram and took him these letters, then Sir Tristram beheld these letters, and anon espied they were of King Mark's counterfeiting.

Ah, said Sir Tristram, false hast thou been ever, King Mark, and so wilt thou end.

Then the clerk departed from Sir Tristram and came to King Mark again.
By then there were come four wounded knights within the Castle of Tintagil, and one of them his neck was nigh broken in twain.

Another had his arm stricken away, the third was borne through with a spear, the fourth had his teeth stricken in twain.