Sena added, "They're resistant to most forms of damage, except cold iron, and they're some of the best trackers in existence," she warned. "They're almost certainly aware that we're here, but are under orders to guard, not hunt."<br/><br/>The hounds immediately tracked him, as he took to the air, watching him keenly, but not making the first move. When he began casting, though, they began to howl, and ghostly hounds began to surround them. This was the signal the rest of the party needed, opening with their barrage of attacks. One of the hounds moved to intercept, while the other struggled against the spell, thrashing against the invisible webs.