The explosive attack did hit the room and it did cause a ruckus but it destroyed nothing.
There seemed to be a barrier of sorts protecting the room and then the explosion was frozen in the air only to be refined right there and then absolved Into Hal's body right when he was groaning and spewing his seeds into Yndyn's pussy.
The foxy mother climaxed right at that moment as the feel of Hal's warm seeds inside of her was the final nail in to coffin of her approaching climax.
"OHHH YESSSSS, THAT'S IT!!! I'M CUMMINGGGGGG" Yndun yelled so loud that it was impossible for those outside and those in the hall of merriment not to have heard.
It all added to the humiliation the Clan head was already feeling...
So entrapped in Hal's presence were both Yndun and her daughter Yelaine that there was a sort of bubble around them that protected them from all that was going on.