Hi there,
I hope everybody is all right and good ! This is my first post on this forum. Please have a look of these sounds,

1. God of War Overtune

2. God of War 2 Jeus Combat

3. Two steps from hell

4. Path to victory

5. Come out and play[horror piano themed]

I am after these type of "digital" sounds. I had some very basic music theory lessons online(musictheory.net). I prefer to work on FL studio, if not, then "finale". After watching some "epic music composition" tutorials online, I realized that I have to make my theoretical foundation deep enough. But I have no idea which books/online resources/videos are appropriate for me. Can you help me ?