The moment the dog goes mad the mages lay their mines. It will take the magic a moment to ready itself and luckily the Templars and Guards changing in keeps the camp distracted.

Dorian and the other mages keep to the back of the battle. He hurls ice towards feet and limbs, trying to slow the enemy as they scramble to close in. The other mages are also keeping to ice, barriers or spirit magic. He can see some of that Force magic that Kirkwall mages specialize in.

As the raiders begin to die he begins to feel the spirits gathering. It allows him to horrify the mabari in to silence. He's reluctant to summon the dead given how jumpy the raiders are. They could make some sort of signal if he panicked them enough.

He kept his focus on ice and silencing the dogs.