Koei Tecmo has announced that Dynasty Warriors 8: Xtreme Legends Complete Edition is coming to Switch. The game will see release through the Switch eShop, as well as retail. It's due out on Dec. 27th, 2018 for 6,800 Yen, with the eShop version being available for 10% less for the first two weeks.
Dynasty Warriors 8: Xtreme Legends Complete Edition will be compatible with the save data of other Warriors titles on Switch, including Dynasty Warriors 8: Empires, Samurai Warriors: Spirit of Sanada, Warriors Orochi 3 Ultimate, and Warriors Orochi 4. As for what that save data will do, we'll have to wait for those details to come through.