Earlier, when Evan saw Valery in Base City Five, he noticed some abnormalities in her core.
Similar to Daniel, her core was also at the S+ Rank, but unlike Daniel's core, which was consuming his life force to forcefully increase his power beyond S rank, Valery's core was in a natural state.
Although it seemed as if someone had forcefully increased the rank of her core beyond S rank, this alteration didn't negatively affect her in any way.
Initially, Evan was confused when he observed this and couldn't understand why she was not affected just like Daniel, but soon, he detected a faint aura of a Monarch Core emanating from her core.
The aura was very faint as if it was missing something crucial to fully develop into a Monarch Core, but even this faint aura had increased the limit of her core beyond S rank.
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