Gemina is the magical parallel world of the Mysticons universe. It first appeared in "Sisters in Arms", but was first mentioned by name in "How to Train a Mysticon".
- It is the major backdrop for the Mysticons and Drake City.
- Currently, the full scope of the realm is unknown.
- Although mentioned at times, it mainly referred as "the realm."
- Gemina is the name of the world, the realm is the kingdom within it, where Drake City is.