The Empire of Reimia (3)

Xenomia congratulated the winner with applause.
"Well, she seems to speak well..."

This is a written test on a given topic without stat rolls, experience, or anything else.

/Will you randomly determine a specific emperor, or should we write about all of them?/

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Library Chronicles
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After studying the general information, Mia begins to look for specific books on what seems to be the most overlooked:
1) The rise of Vagael Reim and why he lost to Orion
2) When was the largest influx of Enclavian and Flame Cult members into the territory of Reim? In the case of the Nerissa, the reason seems to have been the struggle against Eos during the shards, but is this the case for the others?
3) The period between Verilian and Olivier Lapis – who ruled, and what happened, besides the development of the economy and technology?