C1231 Devouring(1)

The Biological Mother Nest's size evolves and grows in direct proportion to the items it consumes. The more it devours, the larger it becomes, a clear case of a direct correlation.

The reason it remained the size of two fists on Lee Zhi's wrist was that he had fed it far too little. Without sufficient food, it naturally wouldn't grow. This is similar to children who eat more and grow quickly