Get ready for 12 hours of rolling dice, story adventures and monster slaying. This weekend, gamers from the Vanguard Dungeons and Dragons are hosting their second annual livestream fundraiser .

Last year's event raised nearly $18,000 for Extra Life , a charity that supports the Children's Hospital of Philadelphia.

It's fantasy. It's captivating storytelling told by Vanguard Dungeons and Dragons .

Founder Shawn Kitchin took CBS News Philadelphia inside the adventures of "The Shattered Obelisk."

"First-level basic adventure," Kitchin said.

Two years ago, Kitchin started an in-person gaming community in Newark, Delaware.

"How do we get people together to play a game I really love playing?" Kitchin recalled. "'Dungeons and Dragons' is essentially a narrative role-playing game."

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