According to the original plot, Xiao Bai's Soul Bone would naturally have been better left inside her body.
There was an Ice Bear King with the same name as Xiao Bai the Demon Soul Great White Shark. After he sacrificed himself to Huo Yuhao in the Undead Demiplane, his corpse became an Undead Giant Bear, while his Soul Bone became the Undead Giant Bear's power core.
But Ye Qing felt there was no need. He had slaughtered the entire Demon Soul Great White Shark Clan down to the last member. With Xiao Bai's Soul Bone gone, he could simply fill the gap with her clansmen's Soul Rings and Soul Bones. One more Soul Bone would only offer the Demon Soul Bone Shark King a limited improvement, so Ye Qing might as well absorb it himself.
A Hundred-Thousand-Year Soul Beast was guaranteed to yield a Soul Bone of a type the Soul Master did not already possess. The Soul Bones Ye Qing had yet to absorb were a Left Arm Bone, a Right Leg Bone, and a Skull.
Xiao Bai's Soul Bone was precisely the Right Leg Bone Ye Qing lacked: a three-hundred-and-sixty-thousand-year Demon Soul Great White Shark Right Leg Bone.
Holding the Soul Ring in his left hand and gripping the Soul Bone in his right, Ye Qing darted straight into the Undead Demiplane. Bi Ji, meanwhile, helped Electrolux move Xiao Bai's corpse and those of all her clansmen into the Undead Demiplane.
The Soul Ring only had an hour left before it dissipated. Ye Qing needed to hurry and merge with it before that happened.
He could only trouble Electrolux and Bi Ji with moving the corpses. Of course, the Snow Empress and Ice Empress also came out to help, but the sisters had already sacrificed themselves to Ye