Eldrei

Eldrei (エル, Eru) or L-Drei is a character from Code Geass: Genesic Re;Code. She is a clone created from the genes of Lelouch vi Britannia and Nunnally vi Britannia.

Geass
Eldrei was given a Geass by C.C. before the battle with her siblings. Manifesting in her left eye when active, it seems to give her some sort of illusion ability.