Altar on Asconel, The/Android Avenger

The Altar On Asconel (143 p.)

He remembered the day ten years ago when his older brother had been made a Warden of Asconel, a prosperous and happy planet, and he and his other brothers had left in the interests of their people. Now they had returned to a world where a fanatical cult had usurped the Warden's chair, and man and women were gladly offering themselves up as human sacrifices to Belizuek - whoever or whatever that being from beyond the galaxy was....

Android Avenger (113 p.)

My body turned into an office building and raced down the corridor to a room where a man was sitting at a console. He'd begun to swing around in his chair when my mouth opened, and a thin, blood-red ray shot out, cleaving the man from head to abdomen.

Then it was over. My mouth closed, and I stood there, stunned. Up to today I was Bob Tanner, an average, sane Citizen. Now what was I, man or murder machine?