Always start with the core game file.
The package is highly prized because it includes: diablo iii eternal collection nsp language p upd
An NSP file is the official package format used for installing games, updates, and downloadable content (DLC) on a modified Nintendo Switch console. The Diablo III: Eternal Collection NSP bundles the core game, the Reaper of Souls expansion, and the Rise of the Necromancer pack into a single digital package. Essential Language and Region Settings Always start with the core game file
If you install the base NSP but the dialogue is silent or the text is glitched, you haven't installed the "Language Pack DLC" . It is a separate [NSP] file usually named [01001B300B9BF005][v0].nsp . the Reaper of Souls expansion
Do not launch the game yet.