Publication Information
- Device : E-Circular
- Japanese : E-サーキュラー Ī-
- Device Usage : Weaponary
- Device Users : Mashin Chaser
- Season : Kamen Rider Drive
- Main View : Full Episod
The E-Circular is a weapon used by Mashin Chaser whenever he assumes one of his Tune Chaser (Armed Chaser) forms using the Chaser Viral Cores, which materializes from the Circular Dynamics on his back and equips him with one of three weapons depending on the core used. Accessed through the Break Gunner, Mashin Chaser can initiate a Full Break finishing blow with any of his weapons by pressing the Destruction Muzzle and then pulling the Demolition Trigger.
Arsenal
- Fang Spidey : Tune Chaser Spider's pincer-like weapon via the Chaser Spider Viral Core. It first appears in episode 5. This weapon's Full Break is called Execution Spider, where the E-Circular imparts energy into the Fang Spidey before Mashin Chaser slashes a hologram version of his weapon at the enemy.
- Tail Whipper : Tune Chaser Cobra's whip-like weapon via the Chaser Cobra Cobra Viral Core. It first appears in episode 7. This weapon's Full Break is called Execution Cobra, where the Tail Whipper physically detaches from Mashin Chaser's arm so that it can attack the enemy.
- Wing Sniper : Tune Chaser Bat's bow and arrow-like weapon via the Chaser Cobra Cobra Viral Core. It first appears in episode 7. This weapon's Full Break is called Execution Bat, where Mashin Chaser jumps up into the air and performs a double leg kick with purple energy bat wings surrounded on his feet. This is the only finisher performed through Mashin Chaser's body instead of with his weapon itself.
- Unnamed Crossbow : Hybrid form of the three weapons via Triple Tune after being upgraded by Medic. It first appears in episode 21. This weapon's Rider Shooting-like Full Break is a long purple beam with an energy projection of three animals.
Viral Cores
Viral Cores powered by Core Driviars, are miniature car-like devices created and used by the Roidmudes for the purpose of sustaining, empowering, and evolving their existence. They are evil counterparts of the Shift Cars.
List Of Viral Cores
Normally, Viral Cores are used by the Roidmudes to evolve them from their weaker Low-Class forms into their stronger Advanced forms. Low-Class Roidmudes can also use three at the same time, or two at the same time if they have already evolved into an Advanced Roidmude, to transform into a Giant Roidmude based on their motif. When Chase was originally Protodrive, he could use the regular Viral Cores, presuming they were not too damaged, to read the memories of defeated Roidmudes by inserting them into his Shift Brace. Like the Roidmudes, the Viral Cores come in three types
Cobra Viral Core
- A Viral Core that can give a new body for the Cobra-type Roidmudes' core upon completing their evolution. Unevolved Cobra Roidmudes can also use three at the same time, or two at the same time if they have already evolved into an Advanced Roidmude, to transform into a giant cobra.
- A Viral Core that can give a new body for the Spider-type Roidmudes' core upon completing their evolution. Unevolved Spider Roidmudes can also use three at the same time, or two at the same time if they have already evolved into an Advanced Roidmude, to transform into a giant spider.
- A Viral Core that can give a new body for the Bat-type Roidmudes' core upon completing their evolution. Unevolved Bat Roidmudes can also use three at the same time, or two at the same time if they have already evolved into an Advanced Roidmude, to transform into a giant bat.
Chaser Viral Cores
Chrome versions of the Viral Cores, known as Chaser Viral Cores, are used by Drive's rival, Mashin Chaser, to change into his Tune Chaser forms. Unlike the regular Viral Cores, they have as much sentience as Drive's Shift Cars and Mach's Signal Bikes. When Chase eventually defected from the Roidmude cause and became a Kamen Rider once more, the Chaser Viral Cores chose to defect along with him. They make their return in episode 46, where their arrival allows Mach to turn the tide against Gold Drive following Chase's sacrifice. They were presumably later locked away along with the rest of the Core Driviar arsenal.
Chaser Spider Viral Core
- An enhanced Viral Core that summons the E-Circular and turns Mashin Chaser into his Tune Chaser Spider form, equipping him with the pincer-like Fang Spidey. When initiating Triple Tune, Chaser inserts this Core first.
- An enhanced Viral Core that summons the E-Circular and turns Mashin Chaser into his Tune Chaser Cobra form, equipping him with the whip-like Tail Whipper. When initiating Triple Tune, Chaser inserts this Core last.
- An enhanced Viral Core that summons the E-Circular and turns Mashin Chaser into his Tune Chaser Bat form, equipping him with the crossbow-like Wing Sniper. When initiating Triple Tune, Chaser inserts this Core second.
Neo Viral Cores
The Roidmudes later gain access to Neo Viral Cores, completely red-colored variants of the standard Viral Cores created by Roidmude 001, which will allow them to combine both Roidmude and human biology into one. However, these Viral Cores can be only used once, so if a Rider separates the components of a combined Roidmude apart, the Viral Core would be wasted and the Roidmude would revert into its normal form, resulting in the need of a new Neo Viral Core.
Since the Neo Viral Core works on humans by fusing them with their Roidmude partner through their darker heart, using it can also increase the human target's negative sides. Interestingly, the evolved form the Roidmude take seems to be based on the human and not the Roidmude, as shown when Mitsuhide Nira caused both Roidmude 106 and Brain to evolve into the Thief Roidmude. Like the Signal Bikes and Shift Cars, holding a Neo Viral Core allows a human to move normally during Heavy Acceleration, as well as said items does have a level of sentience.
Neo Bat Viral Core
- An advanced Bat Viral Core that can be used by a Bat-type Roidmude to combine with a human. First appears in Kamen Rider Drive Vs. the Terrifying Zunbo Ganbo Roidmude to evolve Roidmude 007, which was used as the preview of episode 25.
- An advanced Spider Viral Core that can be used by a Spider-type Roidmude to combine with a human. First appears in episode 27 to evolve Roidmude 050.
- An advanced Cobra Viral Core that can be used by a Cobra-type Roidmude to combine with a human. First appears in episode 29 to evolve Roidmude 067.
Miscellaneous Viral Core
Lupin Blade Viral Core
- A Viral Core used by Kamen Rider Lupin, allowing him to use the blade mode on his Lupin Gunner. When used in the DX Drive Driver or Mach Driver Honoh, it gives the sound for a Tire Exchange into Dark Rider or Signal Exchange into Warui, respectively. It was left behind by Lupin alongside the Lupin Gunner upon his second departure. Both gadgets were also among those locked by Krim Steinbelt beneath the Drive Pit after Gold Drive and Sigma Circular's defeat to ensure that no Core Driviars would be used for malicious purposes again.
- A Viral Core Chase will use in Kamen Rider Drive Saga: Kamen Rider Chaser, allowing him to access his Chou Mashin Chaser form, wielding the Break Gunner as a blade-like weapon.[1] Like the Lupin Blade Viral Core, the Rhino Super Viral Core is colored gold and has a blade portion sticking out of it.