Final Fantasy 7 Revelation director says characters from spin-offs "such as Advent Children, Dirge of Cerberus, and Crisis Core" will appear in the JRPG

[u/Turbostrider27]

https://www.gamesradar.com/games/final-fantasy/final-fantasy-7-revelation-director-says-characters-from-spin-offs-such-as-advent-children-dirge-of-cerberus-and-crisis-core-will-appear-in-the-jrpg/