Over the next several days Frost was constantly running between Maya's rigorous training and fighting on the front lines, wherein he repeatedly tested out the fruits of his labour.
With him, Kiba and Findlay all keeping a close eye on the invading waves and taking part whenever the situation required it the ice walls continued to hold albeit barely.
Massive cracks, indentations and even the occasional complete collapse marred the once tall and powerful walls. They had reached their limit.