Xuan Xiao looked at her anxious expression and stopped beating around the bush, directly uttering two words.
"Spirit bones."
"Ah?"
Xuan Xiao seemed to see a row of question marks pop up above Bibi Dong's head.
Bibi Dong froze, her expression filled with disbelief.
"That... that's it?"
Xuan Xiao spread his hands.
"What else would it be? Setting aside the issue of conflicting attributes, Twin Martial Souls cannot be cultivated simultaneously simply because the human body cannot withstand the energy of so many Soul Rings."
Bibi Dong frowned.
"But the previous owner of Twin Martial Souls died from his body exploding while cultivating his second Martial Soul."
Xuan Xiao nodded.
"That's actually easy to understand. If I remember correctly, that guy directly added three Soul Rings to his second Martial Soul while he was still at a low level, right?"
Bibi Dong nodded. Although the records were unclear, that Twin Martial Souls owner had definitely not exceeded Rank 60.
Xuan Xiao snapped his fingers.
"Exactly. He cultivated two Martial Souls at once, then rapidly attached Over-Limit Soul Rings in a short period. So he blew up."
Bibi Dong nodded thoughtfully, but her brows remained tightly furrowed.
"So you mean that as long as one's level is high enough, they can endure it?"
Xuan Xiao waved his hand.
"No, no, no. It depends on whether your physical constitution is strong enough. You've absorbed Soul Rings before, so you should know that their energy also tempers our bodies during absorption."
"The more energy a Soul Ring contains, the greater the demands on the body. That's why, for Soul Rings from the same type of Soul Beast, as long as one can endure it, the higher age is always preferable."
Bibi Dong suddenly remembered something and immediately began searching through the desk. After