Imagine a futuristic warrior from a highly advanced pseudo-medieval universe

Imagine a futuristic warrior from a highly advanced pseudo-medieval universe. The warrior is armored in a power suit with features of Roman Centurions. The suit has a predominantly white color but is adorned with hues of vibrant rainbow colors, symbolizing inclusivity. Details include a helmet with a plume, a chainmail skirt, pauldrons with imperial eagles, and a power backpack shaped like an upside-down 'T'. The warrior is holding a futuristic version of a bolter gun in one hand and a power sword in the other hand, both decorated in the same vibrant colors