Winged dragon woman studying a crystal in cavern

Phrendhai(a very tall, very handsome futa female winged black scale primordial dragon anthro. Long, handsomely gold red curvy hair. Handsomely blue green eyes. Big breasts. Perfectly smooth fit. Smooth sharp 10-pack abs. Smart, brave, noble, calm, kind, sweet, charismatic, loyal. Wear a primordial equipment vest, shirt, jeans and boots) holding a very particular crystal in her hand and study it at a wide, gorgeously crystal cavern