Aliens are going to create Imitation Ultraman Belial using the Belial DNA to defeat Ultraman Taiga, Titas & Fuma. Imitation Belial's Power surpasses the power of all Titas' Strength, Fuma Speed & Photon Earth's Power even being an Imitation.
Those who have watched today's episode might have realized this, Riku had transformed into this Form for a moment before transforming into Ultraman Geed Royal Mega Master. This form is his True Form and resembles the Young Form of Ultraman Belial → Ultraman Belial Early Style (sometimes referred as Belial of Past).
Ultraman Geed Scans: Belial Atrocious Arrives!, Royal Mega Master's Ultra Brothers Series Attacks, Robot appears to Kill Kei & more
After sometime since Ultraman Belial had been defeated by Ultraman Geed Royal Mega Master which will be in tomorrow's episode, Ultraman Belial will revive again as Ultraman Belial Atrocious. He still uses the Giga Battlenizer. This form is Belial is powerful than Ultraman Geed's TV Series Ultimate Form → Ultraman Geed Royal Mega Master.
Ultraman Geed Scans: Kei Fukuide Loses his Memory, New Character to Join the Story, Rem's Human Form appears & more
After going through all the process of hurting himself for his Master Ultraman Belial, Kei Fukuide loses his memory. He had went unconscious and no longer remembers him being Storm Seijin. Is this the process of Hibernation based on Belial's saying "Sleep for now in order to grow the Darkness inside you". A writer named Arie Ishikari takes interest in him. Arie Ishikari is played by Ryoko Kobayashi who had previously Snake in Kamen Rider THE FIRST.
Ultraman Geed Scans: Geed Royal Mega Master, Belial appears on Earth & Transforms into Chimeraberos & more!
Using King Sword which appeared before Riku because the Power of Ultraman King & Ultraman Belial's Ultra Capsule, he can Fusion Rise into Ultraman Geed Royal Mega Master.