Upon seeing the letter Tang Yu tossed over, Sui Gaomiao instinctively halted, not daring to catch it.

The last so-called golden document had already left a significant psychological shadow on him.

What on earth was that thing? Even if it were a celestial artifact, there was no reason for it to domineeringly take away half of his cultivation!

Fortunately, after a thorough investigation, he discovered it was indeed just a letter, written in his daughter's handwriting, with her aura still lingering on it.