Actually, Mu Rouxuan was not confident at all.
She had never been able to successfully draw a storage talisman before.
It was mainly because there was a large part missing from the Mu Clan's inheritance of the talisman art.
The Mu Clan's talisman art had become especially fragmented with the passing of time since getting passed down from the old ancestor more than a millenium ago.
There was no record of how to systematically draw the storage talisman in the ancient texts.
The old ancestors studied and researched step by step using their widsom and experience. They had only successfully produced 19 storage talismans up until the present day.
Only one was a blue storage talisman!
She had imprinted the runes in her mind several years ago.