Eclipse of the Triple Moons

Three Teens, A Planetary Portal, Magic, A Powerful Magic Staff, An Eclipse of Three Moons and A Volcano Sacrifice.
THEY WERE JUST PLAYING A GAME
YA Fantasy about four teenagers playing a real-life fantasy game in a Montana mountain cave when they find a portal to another world. They step through the shimmering portal and find themselves in a strange world with three moons hanging low in the sky.
As they explore this new world, they come across an ancient and powerful magical staff imbued with the ability to control elemental magic. A ruthless dark sorcerer seeking to harness the power of the triple moon eclipse kidnaps their friend Lily. A woman with emerald eyes forces the teens onto a dangerous path. This sets the teens on a life-or-death mission.

The trio vows to save their friend Lily and use a magical staff to overcome obstacles and enemies on their rescue mission. As they journey through enchanted snow-capped mountains, they discover a hidden strength within themselves and the true power of friendship.
Can they rescue Lily and save the world from the darkness that threatens to consume it before the eclipse of the triple moons?
Exciting, heart-pounding, action-adventure, fantasy book.