The Fallen Nemain is a Fallen chilling variant of the Medium Sized Aragami introduced in God Eater 3.
The following information can also be found via descriptions of the Aragami found in the game's database.
God Eater 3
A Fallen Nemain capable of cruelly cold ice attacks.
Highly-developed legs give these Aragami speed and power that make them extremely dangerous.
Breaking the bonds of their legs greatly diminishes the speed and power of their leap attacks. It is highly recommended that you focus crushing attacks on their legs to quickly break them and gain the advantage.
-Summary of Activated Abilities Its attacks grow more powerful, and strikes wreathed in frigid air can now inflict Leak. Caution is advised.