Wow, very nice results considering the additionnal self imposed rules!
The track indeed feels like a ritual ceremony and it seems that humbaba was successfully summoned, for better or worse^^
I like the careful sound selection, and variety of rythms.
Maybe certain parts were a bit repetitive, but in such short time, can't blame you for not finetuning everything.
The middle part was a nice surprise and change of pace, beautiful orionstring chords there and atmospheric flyby before returning to serious buisness in the forest and completing the ritual!
Well done, and i'll check your music again :)
Side note: While the track doesn't sound too bass heavy on my system/headphones (my room has horrible sound anyway), i didn't think it was a bad thing at all!
Maybe i'm from a different generation and culture, but not all music has to be bass heavy all the time imho.
But if that's your goal, then build the track as bass heavy from the very start, but you'll still need high frequencies and silences to put contrast emphasis on that low end!