"The following day, on the ninth day of the ninth lunar month, it was the Double Ninth Festival.
In "The Book of Changes," the number nine is considered a yang number, and the repetition of two yang numbers, 'nine nine,' is hence called 'Double Yang.' In this, returning to truth at ninety-nine, One Element begins, marking the closest auspicious day on the ecliptic.
People from the Taoist sects take great care in these matters, even choosing highly auspicious days for meetings.
Though on this auspicious day, bloodshed was inevitable.
Just as with the Confucian literary arena battles for position, Taoist Debating Conferences seeking truth would ultimately not avoid physical confrontation and bloodletting. Determining winners and losers through force is an unchanging truth throughout the ages.
Of course, if your rhetoric is sharper, and you can coerce others into conceding defeat, that is also an encouraged tactic for victory.