Quorthon1983

So I played through the game normally up to chapter 8 when the route splits, and I went with Eirka's route. Before I went with her, I had Ephraim up to level 12. I noticed on the spreadsheet with the list of skills that he learns Silent Pride at level 13, but when returned in chapter 15, he auto-leveled to 15 and didn't have Silent Pride. I've got him up to level 20 unpromoted now and he still doesn't have it. Will he learn it any time after he promotes, or is he just forever stuck without that skill?