Samus smiled at her reflection, licking the rows of her sharpened teeth. With this upgrade she could easily work through any aquatic areas without issue. And on the less practical side, she felt a strange sort of elation at her body's power, it's sharpness, it's sleek efficiency at tearing through anything that could get in her way.
Samus shook her head, surprised at her own strangely aggressive thoughts. Perhaps this upgrade was also giving her more animalistic instincts. Maybe it needed more testing before she could use it in the field. Right as she went to eject the chip, however...