As the leader of the Anguis union, she conducts herself with high moral standards. She has confidence in the Master of Masters teachings and will vehemently defend him against any doubters of his teachings.
She has the appearance of a young woman. Her signature animal emblem for her union is a cobra and her robe's color scheme is blueish purple and gold.
Kingdom Hearts III
As seen in the epilogue, Invi and the other foretellers, excluding Ava, were summoned by Xigbar, who survived the Second Keyblade War, retrieves Xehanort's Keyblade, and revealing himself to be an incarnation of their fellow Keyblade apprentice, Luxu.