You can only use the Sacred Ash once. Once you've used it, it will disappear from your bag. You will need multiple Sacred Ash in order to keep using it.
7
you can fight him as many times as you want
As many times as you want.
You can use the mystery gift as many times as you want.
Once
You can only catch him once.
Yes, you can migrate how many times u want
Well I have the game so once
I Think One Time But Someone On You tube Battle Three Times
You cannot find it in soul silver but in the underground you can in diamond. :)
The Soul of the Silver Dog by Lynn Hall has 132 pages.
as many as you can catch.