@TheEdVerse How do Sending rules apply to languages other then common? Does it keep a 25 word limit in the Players' language/English, or would it adopt a word limit befitting the language used?

— INeedSpecificsNotFeeds (@DatumNotData) December 28, 2019

1)
Unless you rewrite the spell to change the word limit, a Sending spell has a 25-word limit in the language used in the message sent. (This was a very early RPGA official ruling; someone wrote a tournament adventure in which a 2)
…military commander NPC tried to use a Sending to deliver [= LONG] specific unit-level military orders to launch a co-ordinated army attack.)#Realmslore

— Ed Greenwood (@TheEdVerse) December 30, 2019