Where did .. come from

I??

LiveinjapanSo despite a lack of training, where did that improvement come from?

Sorry, the above is right.
Can it be interperted as How was I able to improve myself?

LiveinjapanSo despite a lack of training I, where did that improvement come from?

That sentence is gobbledegook. You might want something like: Since I lacked training how could/did I improve myself. (Future

Thanks, Huevos.
I understand.
I wanted to confirm where doesn't indicate a place.

LiveinjapanI wanted to confirm where doesn't indicate a place.

It does indicate a place, it's just that in this context the place is abstract.

Huevosabstract

Got it! Thanks.