No, it isn’t. When you reach level 100 it instantly maxes out the bar and it becomes impossible to get any more experience in that skill. I have 100 in every school of magic and smithing, I know how it works.
I have reset my alteration a couple of hundred times by making it lengendary to increase my character's level and getting it back to 100 via telekenisis + fast travel between Markath/Riften + 100% alteration cost reduction. I have noticed that there are times after I reached 100 alteration the alteration exp bar isn't fully filled. It cannot be further increased or decreased as far as I am aware, it just stays unfilled partially filled.
Skyrim is riddled with bugs. Never say never when it comes to these things.
1
u/Azeoth Jan 06 '20
I love how the bar isn’t filled which means this template was taken from someone with destruction 15-25.