V1 is a Supreme Machine, left to roam the Earth after the extinction of mankind, and the player character of ULTRAKILL. Like other machines, it fights in Hell for its own desperate survival after blood ran out on the surface, slaying all manner of husks, demons, angels, and other machines in order to sustain itself with the blood they shed.
V1 has killed over 1,583 enemies. (The number "1,583" was found using the P rank requirements. Prelude, Act 1, Act 2, Layer 7 and Prime Sanctums are counted here.)
V1 is a blue vaguely humanoid machine with a long head which bears a resemblance to a security camera. Printed on the left side of V1's head is a barcode and some unreadable characters. Eight, glowing wing - like protrusions come from its back which enable its aerial maneuverability, dashing, continuous sliding, ability to store weapons that are not in use, as well as looking sick as hell. "V1" is displayed on the left side of its torso. V1 has the Feedbacker as its left arm, which it uses to punch and deflect projectiles.
V1 is almost identical to its successor, V2 but with a deep blue color scheme. Unlike V2 which uses a more standardized heavy plating, V1 has thinner, more fragile chassis. This makes it capable of repairing itself via direct contact with fresh blood.
The V model was built for war, with V1 boasting a new kind of exterior plating that allowed refueling through contact with blood rather than through a separate refueling process.
Due to its necessary thinness, it is far less durable, but the ability to fix itself and rebuild broken parts on the fly would outweigh the negatives on an active battlefield.
However, during the prototyping phase, the New Peace was established and war became irrelevant.
V1’s planned production was cancelled and an updated model, V2, was developed instead, using the standardized plating, since durability was far more important during times of peace when no bloodshed was necessary.
V1, as a blood-fueled death machine, is capable of moving in all directions with equal speed, can jump(default: SPACE on ground), dash (default: SHIFT on ground), slide (default: CTRL on ground.), wall jump (default: Space on wall by jumping into wall.), and slam onto the ground from heights (CTRL midair). By default, it has 3 stamina bars at maximum. V1's stamina regenerates at varying speeds across difficulties.
Dashing allows V1 to halt its current momentum and rapidly move horizontally in a specified direction, which also (cont.)
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