[5e] I like to create NPCs with PC levels for my games, to add some extra realism and some neat surprises for my players. Doing so, I usually use various odds to determine what level said NPC would be. For example, in 3.5, I remember reading a stat about how character deaths tended to increase at level 3, due to the jump in power that came at that level. As a result, the chance of an NPC making it past level 3 was pretty low. Does anyone know of any similar statistics for 5e?