I added the sound effect for soul absorption. I'll keep you posted if I add anything else related to your feedback. Have a great day!
Definitely way more fun (and addicting :) ) with sfx!Managed to get all upgrades in ~30 mins
It's still a bit short and not very replayable, but I'm thinking of turning it into a rogue-lite. That way, you can replay it with new powers and improvements.