The year was 512 of Dawn.
Mu Feng was thirty-three years old that year.
Through years of practice, he discovered that emotions played a far more important role in spirit beasts than he had imagined.
Besides fear, other extreme emotions such as rage and despair could also stimulate spirit beasts to undergo ancestral bloodline evolution, loosening the Bloodline Shackles hidden within them.
Besides Negative Emotions, a spirit beast's own intense desire to fight or grow could produce similar effects.
However, this Emotional Power generally had to be provided to spirit beasts by their keepers through various means.
For example, accompanying a spirit beast as it grew and teaching it to become stronger.
That year, Mu Feng's team had grown to twenty-eight members.
Aside from the staff responsible for maintaining the breeding farm, the twenty-eight members of the research team were all top scholars in the field of Spirit Beast Studies.
They worked with Mu Feng to improve the Spiritual Beast Bestiary, identifying and recording the attributes of all known spirit beasts.
After several years of effort, the Spiritual Beast Bestiary now contained 126 species of spirit beasts.
Thirteen of them possessed dual-attribute or triple-attribute characteristics.
Among them, multi-attribute spirit beasts were the most difficult to raise, requiring far more resources than single-attribute spirit beasts.
For example, Energy Beasts needed spirit materials of both the light and fire attributes to replenish their energy in order to achieve balanced bloodline evolution.
The improvement of the Spiritual Beast Bestiary also made Mu Feng realize that reforming humanity's Spirit Beast Studies was overdue.
Based on the answers produced by these experiments, Mu Feng felt that humanity's existing spirit beast breeding techniques did not seem suitable for cultivating spirit beasts.
The modern spirit beast breeding system relied on large-scale enclosed breeding.
The advantage of this