He had fought Great Ascension cultivators from major clans before and knew how formidable they were.
If Great Ascension cultivators from a major clan attacked Azure Lotus Island, the Wang Family's current strength would be utterly insufficient to defend it.
"If our ancestor could achieve Aperture Opening, his strength should increase considerably."
Wang Mengbin spoke in a solemn tone.
"With a Profound Heaven Treasure, it would be even more secure."
Wang Qingcheng's face was filled with longing.
The speaker had meant nothing by it, but the listener had taken it to heart. Wang Qingshan thought of the Azure Dragon Sword.
Two Great Ascension cultivators had died in the Sword Burial Mound where the Azure Dragon Sword lay. One of them had possessed the Sword Suppression Stone, as well as two Storage Bracelets. From them, Wang Qingshan had found a large batch of Cultivation Resources, including a piece of Grand Astral Gold Crystal and a piece of Sky Moon Gleamstone.
Sky Moon Gleamstone was a second-grade Aperture Opening material. To open a second aperture, he still needed other materials.
Wang Qingshan had several sets of materials for Aperture Opening, but he was still missing one material for opening the first aperture and several materials for opening the second.
There were several Jade Slips in the Storage Bracelets. Their recorded contents covered everything under the sun, and two of them recorded the origins of the Azure Dragon Sword.
Rainbow Heaven Grotto was the ancestral land of the Xu Family, an Immortal Cultivation Family. The Sword Burial Mound had been established by the Xu Family. At the height of its power, the Xu Family had possessed seven Great Ascension Cultivators. However, when an insect plague erupted in the Sky Vault World, with numerous mutated Eighth Order Spirit Devouring Insects appearing, the Xu Family's