Instinct

Remus Lupin, who from the very beginning appeared to be nothing by a shy, unexpected boy with a talent for indistinguishable cleverness and undercover mischief, but to Sirius, the foundation of a new found instinctual power, of a hunger, simmering beneath his skin, embedding his bones with a fiery need to protect, to act, to become his truest self... becoming Padfoot.