Optative Mood.
Simply, the Optative Mood hopes or wishes.
We widely use ‘May’, ‘Wish’ and ‘Hope’ to express ideas in Optative Mood.
A few models.
May The Noble Triple Gem bless you all!
May God bless you all!
I wish you all the best!
We wish you a bright future!
I hope (that) you are OK.
We hope you will learn English grammar deeply.
Homework.
Find/note/figure out Optative Mood whenever/wherever it is used.