Flying Sword Letter Gu

After the sixth earthly calamity in Hu Immortal blessed land, Fang Yuan receives three letter path Gu through a loophole, this one among them. Opening it shows a challenge letter from Jian Yi Sheng, who sent that Gu after blaming Fang Yuan for the blue charm lightning shadow thrashing him outside. ^{ch. 418}

Appearance

It looked like a sword. ^{ch. 418}

Speed and entry

Flying Sword Letter Gu is extremely fast. It can tear through space and enter a blessed land even without a loophole. Jian Yi Sheng sends one into Hu Immortal blessed land that way after Fang Yuan discards land onto Tian Ti mountain. ^{ch. 420}

While blue charm lightning shadow still guards Tian Ti mountain and the land spirit will not open the doors, Immortal Crane Sect later uses Flying Sword Letter Gu to reply on a rockmen deal. Fang Yuan refines that Gu and writes back. ^{ch. 423}

Elsewhere, a sword light from dark clouds is again Flying Sword Letter Gu when it shoots into a mound and vanishes into a mysterious space before Gui Wang meets Loner Hong Yu. ^{ch. 446}

Cited chapters do not state what this Gu eats.

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