Viking Sleeve Tattoo Design

I need a realistic Viking-themed tattoo sleeve. The design should prominently feature a mysterious and mystical Valkyrie face at the top part of the arm. The rest of the arm should incorporate the Tree of Life and various Viking/Nordic themes.

Key elements include:
- Valkyrie face (mysterious and mystical expression)
- Tree of Life
- Viking/Nordic themes
- Runes as a complementary element

Ideal skills and experience:
- Expertise in realism tattoo design
- Strong knowledge of Viking/Nordic mythology and symbols
- Experience in designing intricate, cohesive sleeve tattoos
- Ability to create a mystical and mysterious expression in portraiture