Four Kyōkugan Seals

The Hiroshino Clans Kekkei Genkai, Kyōkugan has four seals that limit the amount of shadow chakra that flows through their body.

The four seals names and activation
The first Kyōkugan seal is activated on the gate of life. This is called the Black Kyōkugan Seal. The second Kyōkugan seal is activated on the gate of closing. This is called the Crimson Kyōkugan Seal. The third Kyōkugan seal is activated on the gate of wonder. This is called the Eternal Kyōkugan Seal. The fourth and final seal is activated on the gate of death. This is called the Eternal Kyōkugan Reaper Seal.

Four seal abilities and descriptions
1.The Black Kyōkugan is described as black flames forming around the users hands and feet. Their eyes are completely black with a grey circle around their eyes. Releasing this seal allows the user to perform Shadow ThunderStrike. The drawback is the user is unable to perform the eight gates for a week once they deactivate their Kyōkugan. 2.The Crimson Kyōkugan is described as the user having Red chakra forming around them. Their pupils and irises turn red and the circles around their eyes become red aswell. By releasing this seal the user is able to perform the Crimson Lotus and Crimson Thunderstrike. The drawback is some of the users chakra points shatter. 3.The Eternal Kyōkugan is characterized as the username having black chakra covering their whole body. Their eyes turn black with an eclipse pattern and the red circles fade away. By releasing this seal the user is able to perform Midnight Lotus and Eclipse Thunderstrike. The drawback is the user is in immense pain due to the seventh gate being opened. 4.not much is known The Eternal Kyōkugan Reaper. only one person has ever released the seal. The massive amount of shadow chakra forms into the shape of the reaper around the user. Releasing this seal allows the user to perform Almighty Lotus and Wrath of the Kyōkugan. The drawback is quite obviously death. But instead of crumbling to ashes like with the eighth gate, those who open the fourth seal supposedly disintegrate into a pile of red crystals.