She gives Lelouch the power of Geass. She is immortal because she bears the code.
ʃ iː WORD_BOUNDARY ɡ ɪ v z WORD_BOUNDARY l ɛ l aʊ t̠ʃ WORD_BOUNDARY ð ə WORD_BOUNDARY p aʊ ə ɹ ɹ WORD_BOUNDARY ʌ v WORD_BOUNDARY d̠ʒ iː s WORD_BOUNDARY ʃ iː WORD_BOUNDARY ɪ z WORD_BOUNDARY ɪ m ɔ ɹ t ə l WORD_BOUNDARY b ɪ k ʌ z WORD_BOUNDARY ʃ iː WORD_BOUNDARY b ɛ ɹ z WORD_BOUNDARY ð ə WORD_BOUNDARY k oʊ d WORD_BOUNDARY