The imp knew that something big was going to come, so she did her best to multi-task

Rain

Rule Three of the Hunter: When hunting multiple prey far apart, use a trap, not a bow

Effect: The imp now quickly scratches some odd markings on the ground, which now glow after being carved.

Scarlett was now lost from her partner's plans, but instead went along with it.

Rain

Rule Four of the Hunter: When facing a wise prey, use a wise strategy.

Effect: Rain now cuts the remainder of the thorns, as to destroy her enemy's defense.