Powerful Twins
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The Rank Up for my siblings went better than I imagined. They had truly imprinted into themselves the ability to manipulate Spiritual Energy, which I taught them rather harshly, forcing them to use Spirit Energy alone through their training by sealing their Mana using my [Chains of Creation], capable of sealing Mana to weaker targets than myself.
Because of this intensive training while hunting monsters, things went off much better than I thought. Allan's insecurity had scared me, making me think he would end up failing his Rank Up and getting hurt in the process, but everything went smoothly.
FLAAASH!
Their Auras glowed with Silver and Golden colors; their bodies seemed to also grow stronger. It was as if the power they had forced some sort of aging into their bodies. They grew slightly taller, maybe the height they would have if they were seven years of age now. Which was rather noticeable, but they were still rather small anyways.