True Ascendants are mortal shards that first became Sealbearers and then held Staff of Ascension long enough for their essences to repair the Seals. The transformation is so profound that the resultant beings have (almost) always taken new names.

List of True Ascendants

Soll (168 CE) to become Ayridion, the White Flame; he later lost His divinity and became Ilyarin
Sojiro (199 CE) to become Shuyin
Xiel (229 CE) to become Viynain
Ceren (257 CE) to become Fillin
Esano (288 CE) to become Akyaevin
Xenthos (318 CE) to become Xynthin
Sidd (348 CE) to become Synkarin
Morkarion (377 CE) to become Karlach
Kelly (406 CE) to become Kaimanahi
Celina (436 CE) to become Cyndarin
Falmiis (467 CE) to become Falaeron
Veyils (498 CE) to become Deichtine
Yendor (525 CE) to become Snald
Choros (565 CE) to become Parhelion
Ixion (565 CE) did not use the Staff as others before, but instead merged to become one with Zagreus, True Ascendant from a destroyed timeline.
Malarious (600 CE) to become Malayn