Locus is there, but barely seems present at all. He's retreated and let something else take command, a ragged figure in broken scout armor perched atop his back, and using the chains winding about his limbs and throat to puppet him forward to attack.

Massive hands swipe to knock down anyone who stands in their way as he barrels forward, something dark oozing from the jagged, teeth-filled gash of his mouth. There's none of his usual fighter's grace, just brutal movement and the intent to tear apart anything he can lay hands on.

Just make it end. Bring it all to an end.

When these desperate tactics seem to fail him he retreats into shadow, vanishing. Waiting for one of the other monsters to lure the Legionnaire's in, to capture their attention, to allow him to bear in from behind. Best to keep an ear out during any of the fights for the tick-tick-tick of that gear embedded in his back, or the raking of chains as the corpse on his back reins him into action all over again.