Nymeria and Obara Sand, facing off against Hot Euron Greyjoy in an annoyingly blurry combat sequence, were murdered with their own weapons. It was a brutal end for two brutally boring characters.

How did Obara Sand die?

The Sand Snakes All Died From Their Weapon Of Choice

Obara, skilled with a spear, faced off with Euron directly during the fight onboard the ship. He managed to get the upper hand and impaled Obara with her own spear.

Who killed Obara Sand?

Along with Ellaria Sand, the paramour of her father, and her half-sisters Nymeria Sand and Tyene Sand, she takes part in the Coup in Dorne, during which they seize power in Dorne from the legitimate House Martell. However, she is slain by Euron Greyjoy when he ambushes the Iron Fleet on its way to Sunspear.