A demonstration of Ian's fun little trick: transforming its horns to the wide range hat - less of a protection against any sun, mind you, but to protect passerby and strangers from their very peculiar eye with its extremely strange effects on unsuspecting strangers.
Lunarian is a sentient fungal organism, the eye it possesses is an exception, to some degree - it was harvested (the origin secret and unknown) but Ian found a way to wield it as its own. Photoreceptors are all neat and cool on their own, but this eye in particular is a tad more interesting: Ian is able to witness time-space distortions. To a person unfamiliar with Ian's glance, just being it it's presence can bring an uneasy effect on one's body: Dizziness, loss of orientation, forgetfulness, the symptoms might get worse when staring directly onto Ian's eye without being used and developing a resistance to it's influence. And thus, the creature mostly travels covered and shaded