Nekima Bleeds on model and kills it summons a tot can she immediately Grow the tot into a young?
a slow full health young seems good to me.
for referance
Feast, My Darlings: When this model kills an enemy model, a friendly model within 6" may count as having killed the model for the purposes of the Grow and Mature Abilities.
Born of Blood: Once per Turn, when an enemy model within a2 is killed due to the Black Blood Ability or the Black Blood Pustule Action, this model may discard a card to summon a Terror Tot in base contact with the model before removing it. The summoned Terror Tot suffers 2 damage,
ignoring the Black Blood Ability.