Five guardian warriors were sent out to do their mission. To lure the demon god and his daughter, the guardian warriors took the Twins. They knew that the demon god and his daughter would try to save those children. It was a perfect plan to set a trap for them.
These five guardian warriors were the strongest guardian warriors– A healer, two element wielders, and two Shamans. They brought the children to another mountain wherein no civilian from this world would get involved. They used the dimension-hopping spell for their quick transportation.
These two shamans already cast a sealing spell as they were cautious about the power of the twins. Blue and Scarlet were now trapped temporarily and they couldn't use their power. This was the reason why FaMo and Miho couldn't communicate with them.