Creak… creak…
Behind the secondary barriers, Princess Celestia grit her teeth and swallowed a ragged breath. Her eyes were bloodshot, and her usually pristine face was a mess, her silver hair matted with freezing sweat and dirt.
"…Celestia."
"Ah, ah. I'm fine. Perfectly fine. Nothing's wrong. So please stop calling out to me, sister. It's hard to focus and answer," Celestia responded nonchalantly to Rumina's worried tone.
Rumina would erect the physical glacial barriers, and Celestia would rapidly infuse them with strengthening mana to keep them from shattering upon impact. Originally, they had intended to alternate between building the barriers and imbuing them, giving each other time to rest, but the sheer volume of the assault meant that was no longer possible.
