Xu Kun narrowed his eyes. The scene before him was not unfamiliar; he had seen projections of powerful beings like this more than once.
Methods of summoning powerful projections on the lower levels of the Haotian Pagoda were not uncommon, but they came in many forms. The most common was like the method Bloodheart had used to save his life during the earlier defense of the City of Yanhuang, summoning the projection of the Bloodfiend Honored One!
This type involved a powerful being recording part of their strength, or even severing a small piece of their soul, leaving it behind as a life-saving trump card for their descendants!
But there were also things like what Xu Kun had encountered in the Primeval Mining Layer on the second level: restrictions left in a certain place that could be specially triggered to bring about a single descent of a powerful being!
No matter what method was used to summon a powerful projection, it followed the law of conservation of mass!
That was... the stronger the projection summoned, the heavier the price that had to be paid!
This price could be paid by the powerful being themself, or it could be a sacrifice made by the summoner!
And now, the two sons Yelü Chucai had left behind in Ice Wolf City had chosen the cruelest method possible toward themselves... sacrificing their own lives!
"If Yelü Chucai does not die, he will surely become a great enemy of our Huaxia Human Race!" Xu Kun said with a frigid gaze.
A person ruthless toward himself, ruthless toward his subordinates, and ruthless even toward his own biological sons could not be underestimated, even if he was merely trash with an F-rank bloodline!
Once he found an opportunity, he could very likely cause the destruction of tens