Rhaegar, despite wounding Robert, was struck down with a massive blow from Robert's warhammer, which scattered the rubies encrusted in Rhaegar's armor under the water. Rhaegar died with Lyanna Stark's name on his lips.
Ha! How did I miss this thread? Trust me... I was as impatient as everyone else was! Lying in a bed, on my back, propped at a 45 degree angle to my left side for two days was not my idea of fun