It’s based on the UE4 versions, but built from the ground for Switch.
Has Japanese voice acting, mostly the same actors from DQ Rivals:
Erik - Kouki Uchiyama
Veronica - Maaya Uchida
Serena - Sora Amamiya
Sylvando - Masaya Onosaka
Rab - Mugihito
Jade - Ami Koshimizu
(Spoilers ahead) In the postgame, you can choose who to live with. You caneven pick Erik or Hendrick. If you choose a girl, they’ll marry the Luminary and if you choose a guy, they’ll become the Luminary’s roommate.(End of spoilers)
DQXI S is coming in 2019 (in Japan). There will be another DQXI S stream on January 1st.
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Lowkey unrelated: Erik from DQXI will also be getting his own game - the next DQ Monsters - alongside with his sister as kids; and his own manga oneshot by Hiro Mashima (best known for Fairy Tail among other works) that will show us more of Erik before he met the Luminary.
AND NOW, FROM THE ALOLAN ISLANDS, A CREATURE SO FEARSOME, SO TERRIBLE, SO MIND-BENDINGLY LARGE THAT THOSE OF YOU WITH WEAK CONSTITUTIONS MAY WANT TO LEAVE THE STADIUM, READY OR NOT, HERE HE COMES, QUAKE WITH FEAR YOU MORTAL FOOLS, BOW DOWN BEFORE THE AWESOME MIGHT OF…