User blog comment:JmLyan/Vara, the Energy Blaster/@comment-10958553-20140109022821/@comment-7481207-20140109155721

With lower than 400 movement speed, it takes longer than 1 second to restore 1% of maximum, which is the time it takes for Evelynn to restore the same amount. While Evelynn's requires her to be in stealth, Vara's requires constant movement and has no added stealth. Though reducing base mana seems like a good idea, seeing as she'd probably build a tear anyway.