Without a doubt, the Imperial Beast transformation was an extremely cruel method. If one wanted to use this method, one had to kill the Imperial Beast they had nurtured for many years personally, extract its origin, and implant it into one's body. The origin implanted through this method had to be intact.
In other words, if one wanted to use this method, they had to deal with their Imperial Beast when it had reached its peak. Only then would they be able to leave behind a complete origin. One could imagine how cruel it was.
After all, from a certain point of view, Beastmasters and Imperial Beasts were like real family members. Using this method meant that one had to kill their family member and obtain their power. It was extremely cruel. However, even so, the power one could obtain through this method was also imaginable.
