Blizzard strongly advises players to not attempt Ouro in Temple of Ahn’Qiarj because of two bugs related to the encounter. As of right now, Ouro sometimes spawns an additional copy of the boss after a submerge phase! Blizzard suggests waiting until after this issue is resolved before attempting the boss.
Greetings,The known issues post above was just updated with two new issues relating to Ouro in the Temple of Ahn’Qiraj.