Gadfly

Gadfly (Ch. 53) - its role as a Symbiotic Insect in accelerating the host's evolutionary process, especially the process of passive evolution.Passive evolution referred to the obtainment of new or enhanced features or faculties while one was adapting to the changing environment.

After Glenn's self-rebirth, his Gadfly have undergone a mutation and became capable of using Dissimilation Force Field.

It is a mutated force field that can alter Life Codes externally. (Ch. 257)