at that

prepositional phrase3

1. •
   In addition to what has been said; furthermore; moreover.

   • He went to a famous school, and a good one at that.
2. •
   Thereupon; directly after, and as a result of, that.

   • […] he heard the birds sing, and at that he felt comforted. — 2012
3. •
   Now that it has been mentioned.