Having to maintain a single stream of aether flowing from the artifact around her neck towards her body, into the environment around her to manifest her spells and back into her body in a continuous cycle that emphasized efficiency and energy control had driven Ramona to the utmost limit over the length she has spent in the abyss.
Any aether that got out of her range of control would immediately be subdued by the elusive energy that was present in the abyss, and it couldn't be easily replenished like she did back on the surface world.
This had forced Ramona to refine her energy control, which in turn raised her proficiency in her art and reduced the overall losses in energy, which helped her energy control.