How to translate the phrase at long last
Choose the way of translating this concept based on the meaning you're trying to get across, or use these ideas as inspiration for coming up with your version.
bat kyr: on/at the end
ti kyr nari: with a/the last action
ti mar'eyce be kyr: with the discovery of the end
vaal kyr balac: during a/the last opportunity
Mar'e! At last!
(an expression of relief; never used as a descriptor or noun)