The blog purpose is just for yourself. You could put it on your blog if you like, but the idea behind a blog purpose is mainly to help you focus your blog on your ideal reader.
I like your purpose – it’s clear and focused.
There’s quite a lot of what (short stories with spiritual lessons from the Islamic tradition in the comic form) and less why (inspire the reader’s soul).
You might want to go one level deeper: I help inspire the reader’s soul, so that …
Enchant readers. Woo customers. Win business.