Reg

レグ

Reg is a robot who looks like a young boy. His true age, origins, and even his name are unknown, since he cannot remember anything about his life prior to meeting Riko in the First Layer of the Abyss. Riko named him Reg after a dog she once owned.
Reg's body is highly durable and resistant to physical damage, and it is much lighter than its size would suggest. His arms can extend to a length of 40 meters, and each arm contains a built-in Incinerator relic. These high-powered beam cannons are capable of reducing almost anything to ashes; however, the Incinerator is a weapon of last resort because even a single shot depletes the body's energy almost completely, causing Reg to lose consciousness for 2 hours and 10 minutes after use. Due to his artificial body, Reg may be one of the only intelligent beings completely immune to the Curse of the Abyss. Because of this, he is sometimes referred to as an "Aubade" or the "Treasure of the Deep".
Despite being a formidable fighter, Reg is rather shy and unassertive. He blushes easily and often cries when in distress. Unlike Riko, Reg becomes easily flustered when in danger, and he must often rely on Riko's judgment in difficult situations.