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The Heart-stealing Locust Alien Race innately wields the power to sense the spirits of living beings and considers it food, absorbing nutrients from it.
The more intense the pain and emotional fluctuations of the creature, the more nutrition they can draw, and they can also congeal Slave Heart Lock Chains, taking control of both the will and body of the lifeform, enslaving them completely.
If the strength is lower than their own, the enslavement success rate is ninety-nine percent, and they can enslave across two subordinate ranks at the most. The stronger and more resolute the spirit, the higher the likelihood of failure.
It can be made into Evolution Secret Food of the Soul System or into Skill Secret Food, after consuming which one can obtain the skill "Slave Heart Lock Chain".]