Ok one of two options:
Either that due blasphemed the holy spirit and went to hell anyways
Or that wasn't god, but the devil trying to tell her to stop praying
God told her to stop praying for the dying man.
"Do not intercede for him," He said. "He merits death a thousand times."
She refused.
His name was Andrea. Forty years old, rich, and rotten — a compulsive gambler who blasphemed constantly and hadn't darkened a church door in years.
Then disease struck him down. The doctors gave up.
The priest came to hear his confession. Andrea drove him out. His wife and children brought in holy men to beg him. He refused them all.
He had even thrown an image of Jesus and the Blessed Mother into the fire.
This was a man already halfway into hell.
Then St. Catherine of Siena began to pray for him.
That's when God said something almost no saint has ever heard:
"This man's iniquities have mounted to heaven… Do not intercede for him… he merits death a thousand times."
Stop and let that land. The Lord Himself told her to quit.
Most of us would have closed our eyes and whispered, "Thy will be done."
Catherine threw herself at His feet and prayed harder.
"Am I here to dispute thy justice, or to invoke thy mercy?" she begged. "Repel me not, O most clement Jesus… restore to me my brother."
For hours she wept. God held up the man's crimes. Catherine held up the Cross.
And mercy won.
"My beloved daughter," the Lord finally said, "I suffer myself to be softened by thy tears; I am going to convert him."
At that exact moment — across the city, on his deathbed — Andrea looked up and saw Jesus standing over him.
"Friend, why will you not confess the sins that thou hast committed against me? Confess them, and I am ready to pardon all thy faults."
This blasphemer who had burned His image broke.
"Send quickly for a priest, because I wish to confess," he cried. "I see my Lord and Saviour who is inviting me to do so."
He confessed everything. He died in tears.
Here's what you can't miss.
God never intended to let Andrea die in his sins. From all eternity, He had already decided to save him.
But He decided to save him through and only through the persistent prayers of St. Catherine.
The "no" was never a refusal. It was an invitation.
God did not show mercy immediately, so that Catherine would beg for it, because He had willed from the start that this man's salvation would come through and only through her prayers.
Her persistence didn't change God's mind.
Her persistence was the very means He had chosen to accomplish what He intended all along.
That's how God works. He doesn't usually save souls instead of us. He saves them through us.
There's someone everyone has written off. Their family. Their friends. Maybe even you.
Your prayers may be the one thing God is waiting to use. So don't stop.
Source: Bl. Raymond of Capua, The Life of St. Catherine of Siena (written by her own confessor), from his account of her extraordinary miracles. The events took place in Siena in 1370.