Helena has gotten powerful in her training at both psychic sanctuary and Idalia's mansion that some of the power couldn't stay balanced throughout her body so most of her power went up to her breasts and chest which made her breasts larger than normal and when she challenged another caster that is evil and comes out on top she finds that she can absorb that caster into her chest area and absorb the power that remains from them and becomes a bit more powerful but over time her breasts returns to