The Guardians of planet Earth and their great warrior

Four siblings protect the Earth from Hell and Heaven. The gates of both worlds will open one day and when that happen even the angels will kill humans. When that day comes the Guardian will be there to save the day. The four siblings will command the Guardian. So says the old texts". An old miner finds a large collection of old texts speaking of creatures that resemble angels and demons and four different colored beings standing back to back waiting for the different creatures to charge them. Kyle Roseland a researcher and history teacher takes a chance to take his students to this place to read the texts on this day it was a decision that would be met with a surprise.