The Arbites had finished his onslaught on the base floor, having leapt off the rise onto another below, and then stomping hard on the ground with his next leap. He shot another dozen rounds into the scattered mass, causing a rout as the skitarii and the others fired alongside him. "Primary threat, dealt with." He said with a cool satisfaction, his combat shotgun smoking lightly from extended use. He stripped the weapon for a moment, letting it cool down as he reloaded. 

Behind him, he would hear the Astartes and Sororitas' telltale voices intermingling with the Psyker's. It seemed the group had finally mostly rejoined one another for the moment. As long as the psyker did not grab him again and transport him through the extradimensional void, all would be well. Unfortunately, the incoming news from Vala about the defenseless Titan caused a stir even among the cold blooded and machinery refined Skitarii. 

"We need to move." Herold said, his shotgun making a loud 'clacking' noise as he finished putting it back together, fresh and ready for use yet again. He was not entirely familiar with the facilities hangers, but he knew the general direction of the lowest and highest numbers when he got a look at the overhead map back in the tower. 

"This way. 12 should be through these northern corridors."