A short video from Tomes & Talismans was posted the other day, I watched the series on internet archive.
General plot is destructive despotic group takes over the world, disrupts communications.
Protagonists are given coded message by a wizard, they have to do research and take notes to decode the message.
In the end they project a hologram in the sky, causing bad guys to panic and disappear into a vortex of their own creation.
Timeline takes places between 2117-2123 and in 2223, after main character was asleep 100 years.