Han Wu’s core race had gained the ability to change their race, albeit unpredictably, after obtaining Random Evolution. This meant they only had a minute chance of evolving into an exceptionally powerful race.0

However, with the Heart Eater Sacred Object set, they now had the option of selecting which race they turned into through consuming a heart from that race. This was infinitely more reliable than Random Evolution.2

Equipping the set allowed the effects of the Sacred Objects to affect all members of his core race, and many didn’t hesitate to consume their own hearts...0