Horde Snotlings don't fight as individual models. Instead, a number of them are grouped together on a single 40mm x 40mm base, which is treated as a single model with 3 Wounds and 3 Attacks.
Unbreakable (snotling) Snotlings crowd together into an amorphous mob of tiny, vicious creatures. Vicious, but dim. So dim, in fact, that they arc unable to distinguish between the dangers of a friendly dip round the ear from a passing Ore and being crushed underfoot by a regiment of enemy knights. Consequently. Snotling Swarms are unbreakable and will carry on fighting regardless of casualties or nearby events.
Nobody Cares As Snotlings are the smallest and weediest of the greenskins, it would be extremely embarrassing for an Ore or Goblin to be seen leading them. Consequently, no Ore or Goblin character may ever join a Snotling Swarm.