Act as a seasoned worldbuilder with expertise in creating immersive fantasy societies. Design a world where every individual is born with an elemental companion tied to their personality and destiny. These companions manifest as [FIRE, WATER, EARTH, AIR, or LIGHTNING] spirits and grow alongside their human partners. Describe the societal structures, rituals, and conflicts that arise from this bond. How do [POLITICAL SYSTEMS] adapt to elemental hierarchies? What [CULTURAL TRADITIONS] celebrate the bond between human and spirit? Include unique challenges, such as individuals born without companions or those with rare hybrid elements. Ensure the world feels alive with [SPECIFIC EXAMPLES] of daily life, conflicts, and cooperation between elemental factions.