Reference of how his eye color changes throughout his time in Yharnam--the bottom lenses aren't as detailed as i would like, but they're the only ones I saw that also had a red mesh over the pupil, and his pupils Are reddish.
99 Insight outfit--Grey Wolf Cap, Amygdalan Arm, and Decorative Old Hunter pants, and his eyes are reddish-violet instead of grey; everything else remains the same as his normal outfit.
Untransformed amygdalan arm for details, and how it stretches out to attack--it might look like a scythe, but it functions like a whip or a scorpion tail!