Full Name: Unknown
Impactor Designation: Lucia
Weapons: V-Sword

Impactor Lucia came to earth along with Radia, is a swift and cunning fighter who assumes the form of a woman in her twenties with a red streak in her hair, wearing a green leotard and a cape. In her black-armored form armed with the V-Sword, which can be used as a sword or a boomerang. She also loves Logia and would do anything for him. After Radia dies, Lucia swears to kill the Gransazers in spite of Logia ordering her not to act. She attacks Samura while he was tracking her, fighting Tenma and Gou. After getting scarred by Ai, Lucia attempts to get revenge on her, both Ran and Mika arrive to Ai's aid and defeat Lucia, mortally wounding her and taking her to the hospital in hopes of healing her. But as her body is beyond human medicine, Lucia would eventually die were it not for Logia saving her after she learns that he has feelings for her as well. After being healed, Lucia learns that she is no longer to continue the mission. However, going again the order, she use Accelerator to increase her power, turning into a giant version of herself in spite that that Accelerator's long term effect would make her into a mindless monster and eventually kill her. Though she over-powered the Chouseishin with her cloaking and clone abilities before enlarging herself even more, Lucia is outmatched by Daisazer with its pilots stopping it in time before it kills her. However, Lucia succumbs to the Accelerator's effect and dies, leaving behind her card for Logia to find. She appears in Episodes 13-22.