Rena is very sorry and sad for Sean. Poor little baby. Who died as a result of Tiara's cruel and evil deeds to get Brian.
Rena was once again speechless. She was already shocked when she found out that Tiara was the mastermind behind Elise's kidnapping, or rather Elena. And now she's even more angry and regretful when she finds out about Sean. Angry at Tiara who was so cruel and evil that she lost the life of an innocent baby. And regret because Rena used to always support Tiara. It feels like Rena wants Tiara to get the punishment she deserves for all her actions. If possible, life was rewarded with life. Sounds cruel but rena really angry. Her beloved grandson, the grandson she always wanted and dreamed of, was killed by a tiara just like that. And luckily Dean survived the tragic incident.