It was inevitable that these egomaniac's whims would escalate into heated struggles. The harmony of Eden was shattered by epic magical battles raging between sorcerers, and the tribes were caught in the conflict as pawns. The more of each spell type a sorcerer uses, the more the sorcerer's lands around the home Citadel are transformed to reflect that fact. Evil magic will alter your citadel to make it more dark, angular and foreboding and the surrounding green fields will become black and charred. The followers of this type of sorcerer will worship out of fear more than idolatrous.
Sorcerers have another powerful weapon in their arsenal.
Like a child it will grow and learn. How you train it will ultimately determine its attitude towards your followers and what spells it uses as it travels across your lands. By the time it reaches adulthood, it will have transformed into a gargantuan creature towering above the tribesmen, able to flatten a whole village with a single footstep. Treat your creature well, and it will be a proud, gallant beast. Treat it cruelly, and it will become a terrifying monster of destruction.