This should have been a good sign, but the very obvious problem was the hardness of the eggshell, which the Ice Phoenix chick could neither peck nor crack!
Even if it were frantically spinning around inside, it was still powerless and helpless.
Unfortunately, the Nirvana process required the Ice Phoenix to break through the eggshell itself. If external force were used to crack the shell, the phoenix's Nirvana wouldn't be complete. It could result in the Phoenix's basic constitution being weakened, impeding its growth or, at worst, causing Innate Energy to counteract, failing the Phoenix's rebirth entirely!
Feng Yin immediately noticed the problem. Rather than lack of energy, it was the eggshell that was too thick, far exceeding the strength that the Ice Phoenix could handle at the moment!
In reality, the fact that the Ice Phoenix could not peck or crack the shell was normal--