These two hearts are the Ghost-Absorbing Heart and the Pangu Heart!
They each possess a Ghost-Absorbing Talent Skill Tree and a Pangu Talent Skill Tree, respectively.
When a heart is not beating, it means that the nutrients Yu Xian absorbs will be stored in that heart.
For example, right now, Yu Xian's Ghost-Absorbing Heart is beating, while the Pangu Heart is not beating, so the energy Yu Xian accumulates will be stored in the Pangu Heart.
When there is enough energy, this heart will beat.
However, unlike the Ghost-Absorbing Heart, which awakens its talent after beating 10 times, the Pangu Heart requires 36 beatings to activate a Pangu-specific ability.
Yu Xian can now freely choose which heart beats and which heart does not.
Previously, he could only determine when his talent wou
