Impassable Obstacle
Well before they actually approached the towering walls of Fort Sella that they were being guided towards, Lucius could sense a very powerful warrior. The pressure being emitted by this person was unlike anything he had experienced before and for one of the first times in his life, Lucius felt the pang of fear settling in his heart.
He knew that the source of this power was an ally, and likely was this 'Kalivas' everyone was talking about, but the reaction he felt was instinctual. Like prey frozen in fear when cornered by a predator.
There was no way he was going to let these emotions show, especially when everyone else around him seemed perfectly at ease. He was starting to wonder why he was the only one reacting this way, when he finally realized that Kalivas was doing this on purpose.