Pride may have hated humans, but back home he had an objective that was in no way possible to achieve here. In Luceti he was trapped and had no purpose. He tried hurting people once, but most of his "fun" came from keeping the people who knew his secret on edge. Elicia was of no concern to him.

[Winry accepted the brunt of his games. Many times did she pull all nighters just because she heard his shadows scratching at her door. He terrified her, and he knew it. But then in the morning she would pour him a bowl of cereal like nothing had happened. Both of them kept the charade, and honestly Winry felt it was best that way.]