Information: gain access to know data on type Grimm called Umbra. Umbra is stronger than Grimm, and strength is unknown. Data retrieved from Atlas on information on the Umbra race, and known data was discovered by Dr. Merlot. Before his downfall, Dr. Merlot's research data on Grimm was not the only a file discover in his data. File on Umbra and a special type of Grimms called Crystal Grimm(data lock-in the atlas vault). Their version of aura is void, dark version of aura, able have 24/7 shield on body.

Data: Umbra race

Species: Grimm

Power: Void

Semblance: depends on Umbra.

Orgin: origin of Umbra is unknown but is known human/faunes death help Umbra creation. Death of individual well allow to be reborn as new type of grimm. Special case of  individual can be alive and become  Umbra are rare. But this effect their memories of their life.

Immune: silver eyes, mind conttol, dust, and etc.

Weakness: core, damage void from over charge or attack from aura weapon.

Name: Dakota

Human form: Ryan Uchiha

Rank: UR

Class type: assassin

Name: Rip Fang

Human form: Johnson Rider

Rank UR

Class type: Knight

Name: Xio

Human: xenovia Ling

Rank: UR

Class type: chi fighter

Name: Summer

Human form: Summer rose

Rank: UR

Class type: Weapon user

Name: lord Hazard

Human form: Dark Anderson

Rank: LR

Class type: all

Umbra goals: conquer remnants with any means to end human/faunes race.