I have taken another step in my hobby experience now. Adding heat damage to weaponary.
So this was something I was really worried about doing. I researched it lots, found some great guides online, but just wasn't confident.
Luckily the new HH Masterclass book showcases how to do this.
So I followed their guide and used FW's clear airbrush paints.
Step 1: Clear blue - Calth Blue
Step 2: Clear Purple - Eidolon Purple
Step 3: Clear Red - Angron Red
Step 4: Clear Orange - Pyroclast Orange
Step 4: Clear yellow - Sigismund yellow
It is a really effective and easy to achieve technique. I'm pleased with the results too.