Complex sentence: After the confrontation, Alan later discovered an artist, Kyle Rayner, inherited the remaining Green Lantern ring, and after meeting the young hero, informed him of the situations of Jordan and the Green Lantern Corps.
Split into simpler sentences: After the confrontation, Alan discovers that an artist, Kyle Rayner, inherits the remaining Green Lantern ring. After meeting the young hero, he informs him of the situations with Jordan and the Green Lantern Corps.