As they fought the untied front of the Profound Music Palace, Frozen Garden Palace and the Brilliant Sun Temple managed to gradually stabilize the situation, as the guest Sect's disciples, Elders and Sect Protectors arrived a little later to completely stop the tide not far from the crevasse.
Part of this force were the disciples of Yin Yang Unity Palace led by Xia Jung, since they did not need to retreat as there was no separate party targeting them.
The only ones conspicuously missing were the Sects hailing from the Cloud Piercing Continent, which were invited by the Cloud Piercing Sect, and some of the local sects invited by the Profound Martial Arts Valley.
The sturdy-looking defense, however depended on the fact that Wu Long and Hua Ziyan were exterminating any Demonic Beast above the 7th tier, though if the beast was of low-level in the 7th-tier it could still be handled by Grand Elder Qu.