Craft a visually stunning video clip showcasing the culmination of a 12-year-old boy Timmy's desperate wish. As he opens his eyes, illustrates a blinding white light erupting from the acorn, creating a powerful and magical display. Capture the dramatic moment as the intense light forces the charging mammoth to skid to a halt, highlighting the awe-inspiring impact of the acorn's newfound magic. Engage viewers in the spectacle and wonder of this pivotal moment in Timmy's journey through the misty mountains.