Of course the Immortal Sword hut characters could be interpreted in many other ways, but there is no mistaking that it is a character showing the ambition and the temperament of those who dares uses such title to name their hut.
Some people even thought that Xi Feng is trying to imitate those sages of the past where they live in huts on top of mountain and espouses their wise teachings to the world from their huts.
These sage's residence all have a title.
Sages of Knowledge called his residence the Hall of Heavenly Knowledge and Sage of Invention called his residence, the Palace of Ten Thousand Wonders.
Zhu Yao did not say anything as he closed his eyes. But One with Sword Su Meng shows an intent to battle
Even his teachers and his school founder did not dare uses such extravagant words to name their residence and this Xi Feng dares name a hut an Immortal Sword Hut.