Alastor could feel the presence of demons increasing - first the Demon Lord herself and next the bird, now there was a third. Five. There were five demons in London, a dangerous number considering that previously the war between humans and demons had mostly been regulated to small skirmishes between one or two opponents. 

Patting Chu's back protectively, he nodded. 

"Don't worry, I won't." he assured her. Even as he did, his mind turned towards the nearby sticks, posts and objects he could use in a pinch to defend himself. 

"Just stay here an nothing will happen."