A formidable warrior princess from a fictional medieval Rus principality stands on a frozen birch forest clearing at twilight, wearing layered chainmail and fur-lined crimson robes with intricate silver filigree patterns, her braided platinum hair crowned with winter frost, gripping a double-headed battle axe, fierce battle-hardened expression, dramatic northern lights lighting with deep violet and electric cyan tones contrasting warm amber torch glow from distant wooden longhouses, rich details of snow-covered pine trees and frozen river stretching to horizon, oil painting texture with digital precision, powerful dignified three-quarter composition against epic winter wilderness landscape, 4k hyperdetailed digital art