What does coc5 mean?

Coc5 means that Dice Niang helps to assign fixed skill points of 5. Coc is the input of Dice Niang to help assign fixed skill points. 5 is a natural number between 4 and 6, the third prime number, and the 4th, 8th and10th decimal places of pi. So coc5 means that Dice Niang helps to assign 5 fixed skill points.