Urashiki's proposed plan was quite simple and crude.
Steal the Divine Mandate Banner, release Jiraiya, then have the freed Jiraiya return to Reed Plain Country with the Divine Mandate Banner.
This way... they could use the facts to tell Uchiha Riu about the changes in Takamagahara, reminding him that now was the best time to attack!
Of course, to ease Gandharva's concerns, Urashiki voluntarily suggested destroying the eye on the Divine Mandate Banner that nurtured the "Divine Illumination Shikigami," lest that power be used by Uchiha Riu!
The two immediately hit it off and split up to act.
Gandharva headed for the Celestial Shrine, where the Divine Mandate Banner was enshrined.
Urashiki, meanwhile, went to the Heavenly Prison where Jiraiya was held.
As a sacred artifact of the Ōtsutsuki Main Family, the Divine Mandate Banner was guarded in shifts by several formidable Main Family members. Without permission from Basara, the acting clan head, not even the Heavenly Gods could approach it.
Thus, the moment Gandharva arrived outside the Celestial Shrine, he was stopped by A-Dou, who was on duty that day.
With meticulous seriousness, he asked, "Lord Gandharva, the Celestial Shrine is a vital place for our clan. Have you obtained Lord Basara's permission?"
Gandharva replied calmly, "Brother Basara is too busy, and he has been worn out dealing with the traitors. I truly could not bring myself to disturb him..."
A-Dou handled matters impartially. "My apologies, but without the acting clan head's permission, not even you may pass. I hope you understand!"
Gandharva smiled. "Brother A-Dou, you are already 2,872 years old this year, aren't you?"
"Huh?" A-Dou froze. "That is correct. I never expected a god of your standing to know the age of a subordinate like me!"
Gandharva laughed. "Hehe, what standing? We are all descendants of