(While we wait for the Xeth storyline to move forward some more...)
Lance trudges through the snow and ice with his fellow Jedi and the Renegades, he can't help but think back to that day when he and Master Jeqaur Rar encountered that Dark Jedi named Galder, of course at the time he didn't know his name, that only came after his Master laid slain on the hard frosted ground, his life force fleeting.
He shakes these thoughts, he needs his attention on the here and now, they must find Xeth and his cohorts. In these times of growing Galatic turmoil, the Jedi need every man and woman possible to bring peace to the many planets.
Indeed, you can get the bacta drained out first, Xeth.!
Ok, you've punctured a hole in the glass, and whilst I was going to string this out for dramatic tension, the others are waiting, so for conce this goes well and after waiting for a few momnents for the bacta to drain, you pull the sabre through the hole and into your hands!
Xeth is useless in this situation due to his injury, so he will have to hobble out of there.
Kiu, Xeth already freed you. If you can, I would save Vera by another method. See if there is some way to open the bacta tanks from the top without your lightsaber. We had to be put into the tanks and locked in somehow, after all.