Origins: Unknown claims of meso american roots not fully verified

Ancient Cultures: Anasazi, mayan, inca, aztecs, maori, aboriginals, ancient egyptians claimed possesion

Craftsmanship: Advanced geometrical techniques still not yet understood

Cultural Significance: Speculated to be used in rituals and ceremonies by shamans

Mystical Properties: Supernatural aspects like healing, granting infinite knowledge, telepathy, psychic...

Akashic Records: Skulls rumoured to store every event past, present, future and every cultures knowledge

Authenticity: Original 13 skulls lost/hidden overtime replaced with modern forgeries