Ursa Minor resists Velvets Anesthetic spell

Velvet Remedy cast her anesthetic spell at the cosmic beast. Her magic hit it square in the head. The creature stumbled, fazed for only a few seconds, then let out another unearthy roar.

...

Velvet Remedy focused, unleashing a small bolt of magic that splashed against the head of the creature. Again, for just a moment, it was stunned by the same magic that would completely paralyze a hellhound for nearly an hour.

Fallout Equestria: Chapter 28