Track 1: I'm really pleased by the various effects you used to add interest to the music. The birdsong, the oscillating beat delay in either ear... it's a cool sound that gives you that sense of something beyond.
Switching up the track halfway through was a much-needed shift that you nailed!
Track 2: my criteria for a horror track: if I can get through the whole thing, it isn't creepy enough. This one definitely made me want to close out the track... very eerie, and the clicking noise definitely added to that sensation. I love it! The ending portion especially was super eerie. Loved the detuned bells. Amazing job... I did actually have to click away I was getting creeped out ;)
Track 3: it took a little while to get there, but the track did eventually feel like battle music-- and it was a banger. Awesome job.
Track 4: this was a shift in tone that was much needed, and again you nailed it. It sounds hollow and echoey, but still with plenty of energy.
In all, this is an awesome soundtrack, and you've clearly found your voice as a composer, as each instrument and effect seemed to be chosen with intention. that is a pretty key sign of a good writer: my only advice is, don't get too locked in to a chord progression in a song. It's better to have a shorter, less repetitive track than a longer one with a consistently repeating progression. You are doing great stuff with your music!