My determination got the best of me.
Consuming HP raises the effect (max 10 Levels). Chance to inflict [Fear] on the target.
Get MP Recovery if the effect is raised and wield the hunted soul as a scythe to attack the surroundings.

Katana
Power increases depending on DEX. Chance to inflict Fear drops greatly.

1-Handed Sword
Power increases depending on STR.

2-Handed Sword
[Get the same effect when used with a Halberd] Range (Radius) +2m Chance to inflict Fear drops drastically.

Bow
[Get the same effect when used with a Bowgun] Power greatly drops, but activation is focused on target. Chance to inflict Fear drops slightly.

Staff
[Get the same effect when used with a Magic Device] Chance to inflict Fear drops. MP Heal Amount increases.

Knuckle
Power increases depending on AGI.