Perfect for Titan skeletons. Originally from WHTV, with a few additional steps

1. Spray with Leadbelcher or brush on Leadbelcher
2. Wash entire model with Nuln Oil
3. Pick out roughly 30% of the model with Balthasar Gold
4. Pick out roughly 10% of the remaining services with Warplock Bronze
5. Pick out a handful of details, such as rivets or distinct parts, with Retributor Armour
6. Wash entire model with Agrax Earthshade
7. Dry brush entire model with Necron Compound
8. Edge highlight any exposed silver with Stormhost Silver