 Tui helps defeat the extra-dimensional entity known as Maaldor, who had cut off the Lanterns from the Main Battery on Oa that powered them.She is involved with the seminal event known as "Crisis on Infinite Earths" and many subsequent conflicts with Sinestro.When Hal Jordan resigns from the Corps for Carol Ferris, Tui is infuriated, given that Jordan had persuaded her to give up Imi Kann for the Corps.