[if it didn't set in fast he wouldn't be able to use it as often as he does--

as long as he's patting her head, keeping his voice low and soothing, it feels like the start of a natural sleep settling in. her limbs get heavy and it's harder and harder to keep her eyes open]

The inventory is normal; all hunters have one. The skills depend on the person. It depends on your natural disposition, you could say. Some people can control fire or water or wind or lightning.