I only know of the alleged fate of the Iconoclast. A Shard-Bearer and king who sought to return to his homeland, who embraced Zenith far enough that it twisted his yearning toward satisfying that wish through the lens of another.

[ He states this as fact, not opinion. ]

Meridian Shard-Bearers have been founded twisted into monsters. At least one Zenite is an Oracle. Be circumspect about the depths you would like to go, is all I am saying.