Crim came from the edens end taming space and wrapped around Clark becoming a chest pierce and showing off that he had become even stronger. The dragon energy that crim had been absorbing lately had been enough to extend down to Clark's hips and even take a portion of Clark's shoulders.
Clark had called Crim out to help him defend himself during this battle. Especially since Clark would be calling the throwing needles back in place of the spear. The spear was too long and would not be able to take the best position in the passageway unless they managed to find the nest chamber that the glacial spiders used.
"Why does it have to be spiders? This is not the first time we have dealt with them." Isa was already fused with her ice maiden and unleashed an attack shooting a larger spike of ice at the glacial spider.