1056 Trying Hard To Save a Desperate Crisis

In the past hundreds of experiments, there were various accidents.

The majority of the accidents were because the experimental subject could no longer endure.

Such a complex spirit rune couldn't be completed simply after drawing it on one's muscles. There was still a need to engrave it on one's bones, granting access to the energy channels. If not, how would the spirit qi flow?

Hence, the more complicated the spirit rune, the more damage it would cause during the process of tattooing it.

If these youths were powerful experts, they would be able to endure it. However, their cultivation realms were at most at the Body Refinement Realm. Their bodies were simply too weak. Hence, there would frequently be scenes of sudden deaths.

However, with Sun Mo's assistance, the bodies of the experimental subjects could be mended directly when signs of damage appeared. This was why the experiment could last for so long.