Hey man. I like the mix you've got so far.
My thoughts are:
- Kick could be louder and have more click (high end) to cut through.
- Bass low end could be more compressed to fit better with the guitars
- Cymbals could be just a little louder (ride especially). Only a db or so.
- Guitars could loose a little low end and be a tad brighter. Though this is my preference and its up to you. Again, it sounds heavy as it is.
- Whole mix could do with some high passing to remove a little more sub (it sounds like it builds up quite a bit) and sound tighter.
Those are my thoughts. I don't usually mix death metal very often, but I find it needs to sound quite tight and tends to focus more on the upper-midrange.
Hope this helps.