I’m not sure this even looks like good English.

Successfully given %s the stat %s
Successfully given Fred the stat Getting Wood

(I have) successfully given Fred the stat Getting Wood ?

In many other languages the equivalent verb to ‘give’ works only one way, not two like in English. You need to say...

I gave a book to Fred

...but you cannot say...

I gave Fred a book

The current solution used in the French translation (& others) is...

%s a reçu la statistique %s avec succès
Fred received the statistic Getting Wood successfully

This is far from ideal and won’t work for all languages.

If we had separate (ordered) tokens for the stat and the player it would be simple.

BTW is ‘stat’ used here simply as an abbreviation for ‘achievement’ or does it actually mean any statistic?