Nier Reincarnation Is Crossing Over With Final Fantasy XIV - GameSpot

It's coming later this month in Japan.

FINAL FANTASY XIV Forum

SQUARE ENIX The Official SQUARE ENIX Website - The FINAL FANTASY XIV crossover has arrived in NieR Re[in]carnation!

NieR Reincarnation Roadmap Confirms Global FFXIV Crossover Event - Siliconera

NieR Re[in]carnation YoRHA Stage Play Crossover Commences!

FINAL FANTASY XIV Forum

NieR Replicant - GameSpot

Nier Reincarnation FFXIV Story - Boss Battle and Event Summons

Final Fantasy XIV: Shadowbringers' Guide: Unlock the Hardest Boss Fight, Plus 'FFXIV' Crossover with 'Nier Automata

NieR Re[in]carnation - GameSpot

FINAL FANTASY XIV Forum

Spoilers: Shadowbringers] A lot of people seemed to be interested in the NieR Re[in]carnation x FFXIV crossover - here is every panel from the story : r/ffxiv

NieR Reincarnation NieR Automata Crossover Event Trailer

NiER Reincarnation Final Fantasy collaboration - All new characters, events, and more

Record: A Question of Decorum, NIER Wiki

FINAL FANTASY XIV Forum