Germain is a Conjurer, which means he has Conjuration Type Nen.

He conjures a Badge named 'Hunter Badge' which gathers resentment of the enemy killed by Germain and bestow upon him the 'Gift of Resentment' or 'Grudge Tools'. Also the 'Hunter Badge' shows the stats.

Stats: 

Vitality (Physique) : -- Positive Stat

Endurance (Includes Nen Capacity) : -- Positive Stat

Pressure (Stress) : -- Negative Stat

Gift of Resentment / Grudge Tools:

- Cleaver ( A cleaver with a saw blade)

- Firearm ( A gun that shoots bullets}

- Lantern ( Allows Teleportation with the help of four ghosts or imps)

- Flamethrower ( Shoot a torrent of fire with lethal efficiency)

- Shield of Lord of Crows ( Strong and Resilient Shield for Protection)

- Left Wrist Arm Guard

- Creeping Leech Hidden Blade (Sacrificed in battle against Uvogin)

- Spider Silk Lasso

- Ripper Cyclotron Cannon

- Greedy Antler Helmet (Can only activate its power if another "Gift of Resentment" is sacrificed permanently.)

- Threaded Cane

- Tachi Thousand Shadows