Scene animated: rune ᚱ pulses with cyan light inside the glass sphere. Mana forms winding star tr...

Scene animated: rune ᚱ pulses with cyan light inside the glass sphere. Mana forms winding star trails around the stone. Orbiting crystals rotate like planets. Light refracts through the glass, casting moving cyan patterns on the cave walls. Seamless loop. No camera movement. Only rune, mana, crystals, light refractions animated. No text, only ᚱ. --ar 16:9