I agree with bloo on the catchable/uncatchable, tradeable/untradeable thing.

I like the idea for the monster database to have the mobs, bosses and the NPC. Mobs being any fight that happens because a mob spawns and attacks you or attacks you while walking. Bosses would be all the mobs you fights when doing quests. NPC being any mob that you have to pk in order to fight it. Like the villiagers or the cows in south island and shiba inu in Kelan.

Thanks for the ideas Hugo and bloo ^_^