What eaxctly caused this symbion circle of bird and mudokon. are birds more then what they seem, what powers do they hold, how can they be used to open portals, what is purpose of there being a symbion between the two. how did the mudokons learn to harness the power. what benefits come from the two species. And Bird portals, how does it work and what exactly, does the preconception drawings of a stone like portal prove. What was it that caused the change.
Now this is allot of questions and feel free to out in your own.
But just think of it what exactly caused it to be?
(this topic was brought to my attention by ours truely Khanzumer) *feel free to ask for a topic to be made*

so go ahead and give the theories.