**Image Design Breakdown:**

1. **Character Design:**
   - Change the character’s overall color scheme to green and yellow.
   - Alter the outfit to a sleek, futuristic samurai armor instead of robotic armor.
   - Modify the character's pose to a fighting stance with a katana.

2. **Background:**
   - Replace the high-tech facility with a serene, ancient Japanese garden.
   - Incorporate cherry blossom trees and a tranquil pond in the background.

3. **Foreground Elements:**
   - Swap the spherical object with a traditional Japanese lantern.
   - Change the lighting effect to simulate a soft sunset glow.

4. **Text Elements:**
   - Remove all brand names and replace with generic titles like “Legendary Warrior” and “Rewards Available.”
   - Use a simple, elegant font that fits the new theme.

5. **Side Panel:**
   - Instead of character cards, display various weapons or items themed around samurai lore: swords, scrolls, etc.
   - Maintain a similar layout but adjust colors to harmonize with the new theme.

This reimagined concept keeps the game's essence while creating a fresh aesthetic.