Chaser Spider Viral Core

The Chaser Spider Viral Core (チェイサースパイダーバイラルコア) is a sentient, chrome 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.

Character History
Following Chase's sacrifice, the three Chaser Viral Cores returned to save Kamen Rider Mach from Gold Drive.