Bone of eternity

Throughout the ages, the ultimate goal of all practitioners of the universe was to achieve immortality and wield the Will of the Heavens.

If the Will of the Heavens had a master... then the practitioners of the universe could only settle for the next best thing and tread their own path, going further than the 'Tribulation Transcender' realm and obtaining eternal life.

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At this moment, the ball of liquid metal had placed Skylark's body in a crystal coffin. A pair of illusory human arms appeared on its body and consecutively formed six seals.

This crystal coffin was a magic treasure which it'd obtained from humans in the past, modified by it after some time. Therefore, whenever it wanted to use the crystal coffin, it would have to use human arms to form the hand seals.

After the six seals were completed, the ball of liquid metal poured huge amounts of evil energy into the crystal coffin.

The crystal coffin brightened up.