Her role as one of Professor X's most cherished loves has played a significant part in the development of both characters, as well as many of the plots throughout the X-Men books.

Lilandra becomes a Grand Admiral of the Imperial Guard in the Shi'ar fleet, but turns against D'Ken after learning of his plans involving the M'Kraan Crystal.

[volume & issue needed] As monarch, Lilandra takes a leading role in interstellar affairs, such as dealing with the menace of Dark Phoenix and indicting Reed Richards of the Fantastic Four for daring to save the life of the planet consumer, Galactus.

[9] When Charles Xavier suffers a near-fatal heart attack, the Starjammers heal him, but due to enemy spacecraft, they cannot return to Earth.

[14] She survives an assassination attempt by the Kree Starforce, and decides to recall the Bomb before discovering that a Skrull impersonating Araki helped cause the Kree-Shi'ar War.

[17] Fearing the Kree will seek retribution against the Avengers for their part in ending the war, Lilandra sends Deathcry to protect Earth.

During her reign, the Skrull attempt to infiltrate and control the Shi'ar government, an intergalactic war with the Kree erupts, and the Phalanx and Uncreated attack.

[19] Lilandra appears as a central character in the Emperor Vulcan sequel, X-Men: Kingbreaker and in the War of Kings miniseries, which began in early 2009.

[23][24] Additionally, the Mad Thinker uses an illusory entity named Lal-Qil-Atrox, similar to Lilandra, to assist her in stealing parts of Cerebro.