Complex sentence: Project Evolution begins with a child who has dreams of growing up to become a super hero... but as it's warned, be careful what you wish for... for that dream is now the reality that haunts that now grown child.
Split into simpler sentences: Project Evolution begins with a child who has dreams of growing up to become a super hero, but as it's warned, be careful what you wish for. That dream is now the reality that haunts that now grown child.