For sometime, he would always get at the bad side of his father. He'll be severely punished then. At the very court where all of the subjects were there to witness how even the king wont spare his own son for defying his words.
That Garnum curse.
A dark spell which tormented the mind of the receiver into an actual pains in the head.
In the court, he would shivered too much, screamed for mercy for the king to stop but the torment continued while the subjects bowed in fear against the king.
Ricco had been the king's outlet for rage. And every time, he did, he would do it in the court for some humiliation while he cried in too much pain, too much agony for the sensation to stop. For many years, he should be used to it but the curse wasn't something to get used to. It increases its potency for the receiver to writhe and gnarled teeth in pain.
All summer.
Every summer.