>>118388637Brian had a hissyfit when he got tested by Merlyn and Roma and chose the Sword of Might because that's supposed to be the wrong option, it determines the kind of Captain Britain you become
It's a test and Brian initially chose the Amulet of Right because he was more of a scholar not someone who wins through force alone
So here Brian is saying "I'm not supposed to be a violent sword swinging killer, that's who you are, let's switch and I'll take the Amulet back"