Ratbold

Age: Ratbolds get up to a 120 years old.
Appearance: The skin of Ratbolds tends to be pale white, pink, reddish or occasionally caramel and tends to be spotted. A Ratlings Fur is mostly grey or white, but some of them have brown or blonde fur. The fur might cover all or just a little of their skin.
Pack Tactics: You have advantage on an attack roll against a creature if at least one of your allies is within 5 feet of the creature and the ally isn't incapacitated.
Keen Smell: You have advantage on Wisdom (Perception) checks that rely on smell.
Darkvision: 18 m / 60 ft
Host: You can get infected with diseases, but they have no negative effect on you. Because your symptoms are only mild you gain advantage on rolls on deception when trying to hide them. You can spread the disease you're infected with with your bite attack.
  Bite: Melee Weapon Attack, +4 to hit, reach 1,5 m / 5 ft., one target. Hit: (1d4) piercing damage. If you are infected with a disease your target must succeed on a DC 12 Constitution saving throw or it will be infected too.

Languages. common, draconic