Why did Ser Arthur Dayne insist on fighting Ned Stark and his men at the Tower of Joy if he knew his king was dead & the war was lost?

Fighting is necessary because Dayne can’t just tell Ned, “Your men need to die in order for an important secret to be kept.” Even after seeing Lyanna and promising her to keep the baby safe, Ned wouldn’t have his men murdered – it’s not in his nature. Therefore Dayne must kill them.

Where is the Tower of Joy?

the Red Mountains of Dorne
In the A Song of Ice and Fire novels, the Tower of Joy is located in the Red Mountains of Dorne. It lays in the Prince’s Pass, with the Nightsong to the north and Kingsgrave to the south. This tower was named the “Tower of Joy” by Prince Rhaegar Targaryen.

Who is Ser Oswell Hightower?

Ser Oswell is mentioned in the entry of his sworn brother, Lord Commander Gerold Hightower as recorded in The Book of Brothers. The entry mentions the death of Ser Oswell in the Red Mountains of Dorne after refusing to bend the knee to the new king, Robert Baratheon.

Who is Gerold Hightower in Game of Thrones?

Gerold Hightower. Ser Gerold Hightower, known as the White Bull, was a knight from House Hightower and the Lord Commander of the Kingsguard during the reigns of kings Jaehaerys II Targaryen and Aerys II Targaryen. He was the uncle of Lord Leyton Hightower of Oldtown.

What happened to Ser Oswell Whent?

The entry mentions the death of Ser Oswell in the Red Mountains of Dorne after refusing to bend the knee to the new king, Robert Baratheon. In the A Song of Ice and Fire novels, Ser Oswell Whent was a younger brother of Lord Whent, known and remembered for his dark humor.

What did you learn from Ser Arthur Dayne?

I learned from Ser Arthur Dayne, the Sword of the Morning, who could have slain all five of you with his left hand while he was taking a piss with the right. I learned from Prince Lewyn of Dorne and Ser Oswell Whent and Ser Jonothor Darry, good men every one.