Post-Hardcore / Modern Metal Mixing & Mastering video tutorial

But don't call it a mastering tutorial for that bit.
I can always appreciate the effort if people take the time and share their insights on what they are doing, but that isn't really mastering, it acts more as a limiter to me.
 
true, limiter + a bit of compression, overall EQ and exciter. It's a short way of achieving all these results with one simple plug in.

Having said it's a basic tutorial I guess this would be addressed to all those people who do it as a hobby like me, not in a professional environment.

Of course mastering is an art and takes experience, fine ears, and proper plug ins in the chain.