Usurper

Unique Skill Usurper is the unique skill used by Hinata Sakaguchi which was taken by Chloe O’Bell when the two of them time traveled back to the past.

Abilities
From the people the user kills, he or she is takes their knowledge and techniques.

The ability to take away the strength of one's enemies and their spirits, similar to predator. But it does so without having to analyze the abilities, so it's more battle oriented.