Wondrous Item, common
The belt of a language decoding is the brown belt which is most of the time looks like the quite dapper. It almost has the magic which lets you temporarily learn any of your favorite language. But whenever you finish the long rest roll 1d20 and then select the desired language. Until unless you would finish the another long rest, then you know the below mentioned parts of the particular language that you’ve chosen:
1-5: You do not speak any parts of the language.
6-10: You can speak a few extremely common phrases.
11-15: You speak the language as well as a commoner.
16-20: You speak the language as well as an educated individual.