Board Thread:Questions and Answers/@comment-112.208.245.31-20191012105220/@comment-73.221.145.72-20200917020514

Sourcedartonline wrote: Yui and Yuna are not souls, they're computer programs. Eugeo's soul is gone, he's not coming back. Souls are not code. Copies of souls are not kept.

When someone in Underworld dies they're gone, just like the real world.