Eldestmon

At last! The Final reveal! Magemons Mega form Eldestmon: this ancient seer rose to a higher plane of being after discovering the secrets of the tree of all digital life. Blessed by the other heavenly digimon for her kindness and proper usage of her knowledge, she continues watched over other seekers of great knowledge and protects the secrets from those who would abuse them.

Disclaimer: Digimon belongs to Hiroshi Izawa and it's other rightful creators
Eldestmon ish mine.