Karin looked at the ring on the ground, covered in Sealing Jutsu formulas, and asked seriously, "My lord, is this the spot?"
Hyuga Kagami nodded. "Yes, right here!"
After receiving Hyuga Kagami's confirmation, Karin immediately gathered chakra, then raised her hand. From her small palm extended a Black Rod roughly as thick as the ring on the ground.
This was a Black Rod created by the Rinnegan.
From the perspective of chakra, the Rinnegan's Black Rods were actually a tangible manifestation of the yin-yang unified Power of All Creation, a product of Yin-Yang Release.
Not only could they transmit, sense, and manipulate chakra, but under certain circumstances, they could even act in place of the caster. That was precisely the trait Hyuga Kagami intended to use.
After fitting the Black Rod Karin had created with Yin-Yang Release snugly into the ring on the ground, Hyuga Kagami formed hand seals and shouted, "Seal!"
Hisss...
In an instant, amid a cloud of white steam, the Sealing Jutsu formulas on the ring began to glow faintly.
The ring base embedded with the Black Rod was a barrier seal Hyuga Kagami had created by combining the sealing techniques of the shrine maiden lineage from the Land of Demons with those of the Uzumaki Clan.
When it came to barrier seals, the shrine maiden lineage's Sealing Jutsu surpassed that of the Uzumaki Clan. When it came to sealing chakra, however, the Uzumaki Clan's Sealing Jutsu was superior.
Therefore, to set up a defensive barrier on the Aerial Fortress, it was necessary to combine the Sealing Jutsu of both clans.
The shrine maiden lineage's Sealing Jutsu was responsible for activating the Black Rods, using their abilities to automatically activate or deactivate the Four Red Yang Formation, while the Uzumaki Clan's Sealing Jutsu was responsible for channeling