The Bull ring
The bull was an animal used in The Bull Court.
The best tactic for defeating the bull was to stand in a circle and to draw its attention from one person to the next. This was what Jason's team did to try and draw the bull's attention away from Jason while he was trying to recover from Queen Pasiphae's spells. The bull was also blamed for the death of Cyrus when his body was discovered in the bull's enclosure. It appeared that the bull had gored him when in fact he had been stabbed by Palos. (A Boy of No Consequence)