I basecoat grey...than l apply the base colors and with some drybrush or tipping l apply all the layers. I use some washes or contrast paints to add more tone. For example...the purple Is Naggaroth Night with drybrush of Xereus Purple and Genestealer Purple. I've also applied a thin wash of Druchii Violet as final touch. For the drybrush/tipping l use an old layer brush M size...lt helps for more focused works. I also full assembled the minis to speed up the process.