The Twa Corbies

Shin and Sombra, the Twa Corbies, are the monster(s) of the day for the Halloween Special of Shinkai Sentai Akuareiger.

Character History
Shin and Sombra initially set off the alarm of the Eighth Dimension Monsters' arrival. They were intended to just be a distraction before turning into their animal form where the 5 warriors tried to steal the rangers souls, but Hyousuke became Shamu of the Abyss once more and fought back for his team.

When they regrouped, they went for Shamu, but they were injured, but were healed by Vargoyle prior to his demise at the hands of Karu.

Shin and Sombra then fused into a larger form called Twa Corbies. They were defeated by the War Machines.

Personality
Shin is the more cunning and violent of the two ravens.

Powers and Abilities
Transfiguration-the can assume a normal human form.

Avian Physiology-along with assuming a bird form, they have other aspects associated with this group.