Opening of Gate in throne world

Before i start i know.. i know there are already multipe stories like these so i am not going to push you all to read this
But if u do then please share your response.
I hope you people enjoy this
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Briefing:

this is tale of three different verse coming together
as the gate opens in terra is going to change the life in fallmart forever
SPOILERS:The scenario i am going to make is alternative path from original setting of both the series