From time to time, the spirits of the Colosseum decide to test the strength of the gladiators themselves. When they acquire flesh, they are forced to follow the rules that they themselves have established - the winner must be rewarded. However, to reduce their influence on the fighters, the spirits leave behind only a small piece of valor.

After collecting sparks of bravery in your bag, you can exchange 8 pieces for 5 valor.
Valor,  obtained from sparks, is counted for achievement "The way of the Gladiator".