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I just foddered my W!Ephraim
And used it for this cutie. On a more serious tone I was thinking if I should use the +spd or keep using the +def refine. She had fury before and with base 39 spd (unmerged 36+3) Flashing Blade was basically always active. With base 36 spd whilst still fast, she could encounter engages where she can't use it.
edit: Whoops realized she had base 35 guess I'll use +spd. That answered the question. Happy triggering!

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