Simply put, born an evil-doer!
It started with small insects and birds, and later included cats, dogs, and other small creatures, then some medium-sized Pet Beasts, and now, he'd taken a liking to lives filled with more Spiritual Power...
Humans!
For example, the Devotees of Evil God imprisoned by the Leaf Clan, as well as some missing vagrants, had all ended up on his toy shelf.
This greatly satisfied Light Tennyson's desire for destruction!
Despite his somewhat twisted personality, Light Tennyson had exceptionally high Spiritual Talent, a naturally powerful soul, and after awakening, he had the potential to become a leading figure of the new generation in the Leaf Clan.
As for his slightly malicious behavior, it was still acceptable, and they planned to educate him more as he got older.
He was just a child; why bother about a few mistakes?
