I tested both on terrain and as soon as I changed the dxt5 to bc7 the specular was gone. Unless I haven't done anything completely stupid :-) https://staticdelivery.nexusmods.com/images/1704/212132-1484923751.jpg They should work, I was testing AMB landscape textures for Oldrim, converted them all ...

I mean this.. ///partial code/// ps_5_0 dcl_globalFlags refactoringAllowed dcl_constantbuffer CB12[43], immediateIndexed dcl_constantbuffer CB0[2], immediateIndexed dcl_constantbuffer CB1[9], immediateIndexed dcl_constantbuffer CB2[30], dynamicIndexed dcl_sampler s0, mode_default dcl_sampler s1, mod...