Oh, he was getting tired of playing this game.

"I have no use for heroes," he said. "And my business remains my business."

He refrained from adding 'traitor' to the end of that comment. Instead, he folded his arms and made as if to grumpily go back into the house... only to point a single finger straight up and fire a shot at Trowa's feet. His hope was to dislodge a few more of the already moved tiles and possibly send the human tumbling off the roof. Make it look like something of an accident.