meanwhile, mutran had attempted to tear kopaka's mind to pieces, and kopaka led him to believe he had succeeded, until eventually he turned the tides of the battle and froze mutran in a blast of ice and snow. it was then that antroz, chirox, and vamprah arrived and quickly defeated kopaka and captured the heroes. the toa were chained to a wall, and the matoran were left in another chamber. antroz warned the toa that if they made one hostile move, he would send a mental message to vamprah and chirox who were with the matoran to immediately kill them.