ΔE 7.7, close: similar, with a visible difference side by side. Thrash Metal is more muted than Warplock Bronze.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). Thrash Metal is more muted than Warplock Bronze.
The same difference applies the other way round: Warplock Bronze is more saturated.
ΔE is the colour difference between our two swatch estimates: under about 6 is close, over about 15 is loose. Real paints also differ in finish, coverage and how they thin, so test before you commit.
See Warplock Bronze on the colour wheel See Thrash Metal on the colour wheel
All matches: Warplock Bronze equivalents · Thrash Metal equivalents