Does not cast a shadow on the ground (though just to avoid uncanny valley his body does have the usual shadows one would have in any given lighting, it just doesn't extend to floors or walls, like the light goes through him)
Noticeable when he's without a shirt or clothes
The Heart of Sabik is embedded in his chest--it is an oval, black crystal with a dull sheen
Small, smooth black scales pattern along his mid to lower spine, splitting around his hips and circling to his front and back along his hip bones and around and under his butt, and down to the tops of his legs, ending in two points at each mid-thigh. They are as warm as his flesh to the touch, sensitive, small, and when tapped with a fingernail or whatever sound almost metallic
What appears most of the time to be a strange crease of flesh on his back left shoulder will sometimes open and blink, revealing a large glowing redorange, slit pupil eye
Variable
When he is upset enough his voice does that weird reverb echo thing boss characters do
When it is a dramatic enough moment a glowing symbol appears over his face
Corruptions
Noticeable when he's without a shirt or clothes
Variable