After the death of Brother Tode, Kro returned to Lemuria and became a figurehead monarch for the Deviants. He had a power struggle with Priestlord Ghaur, who now decided to take the power "de facto". Kro attacked the Eternals once more with his giant armada. However, Ikaris and Makkari defeated the Deviants. Kro was betrayed by some agents of Ghaur and escaped. He joined Thena and both were running away from the Deviants and the Eternals. Finally, Ikaris found them and replaced Thenas as Prime Eternal after a ceremony. Ghaur tried to take the power of the Dreaming Celestial, and was stopped by the Avengers and Eternals. After the disintegration of Ghaur, Kro remained as unique leader of the Deviants. He had another dispute with Thena, when he revealed that he was influencing her with a new type of brain mine. Kro also agree to a truce with Ikaris. He was acting as monarch when Quasar came to Lemuria, and he was organizing gladiator matches. Some time later, Kro became depressed by the loss of Thena, and abdicated the throne to search her again. He located her and their twin children, Donald & Deborah Ritter, conceived long before his attack in New York. Together, they ended the tyranny of Brother Visara in Lemuria, and joined as family. Kro was also the founder of the Deviant team Delta Network, including some heroic Deviants like Ramsak, Karkas and his own children. He led them in an attempt to rescue the Avengers from a resurrected Ghaur. Kro and Thena searched for theirs children when they were captured by the villain Maelstrom. When the mad priest Ghaur tried to form an "Anti-Mind", in his plan to battle the Celestials, and captured the Ritters and Thena, Kro led his deviant faction to rescue his children and his lover. However, he was outmatched by Ghaur power, and keep the fight against Ghaur as his family escaped.