Write a story about a group of friends who embark on a mysterious adventure after receiving a cryptic message from an unknown sender

Write a story about a group of friends who embark on a mysterious adventure after receiving a cryptic message from an unknown sender. As they follow the clues and unravel the secrets hidden within the message, they uncover a hidden world filled with magic and danger. Each friend must rely on their unique strengths and abilities to overcome challenges and ultimately save both themselves and the world from a dark and powerful force.