I had to get this one out of my head.
(I really love this guy or gal).
For a long time, I've seen the reaper avatar as a digimon partner to my FFXIV version of Infawrith, and in my head, it was always some variation of Shystor in a mask and a hood.
Avikhatjrmon, a cat dragon avatar hungry for aether/food on a constant basis, especially food bought or made by her reaper tamer as the emotional essence poured into said items proves most invigorating and filling.
Over time, as the bond between this avatar and reaper tamer grows atronger, Avikhatjrmon learns to digivolve, which enhances the strength of both the digimon's individual capabilities and the attacks of their Enshroud union. It also increases the frequency at which they may enshroud and the duration.
At the penacle of bond and performance, theirs becomes an unstoppable force before the mightiest of foes.
Of course, in addition to being FFXIV Infawrith's digimon partner, she is Infawrith D's partner as well, though not as a digimon.
What she is will be revealed in time