Met climbers from Omsk said that there was an ice cave somewhere in the seracs on the right side of the botle neck, that they actually used for a bivouc.
Thanks for your comment! Seracs on the right side are not stable and consequently dangerous. Actually the route should be climbed in one day which is quite possible if you can move confidently on ice. If no - it is better to descend down to the camp as climbing slow is really bad idea for the route which is objectively dangerous