Arthur seems to be rude and harsh on the outside, but in actuality is kind and sensitive on the inside. Arthur is also cool-headed, logical and sharp in his responses to quips made towards him. Arthur's vulnerable side is revealed upon his learning of his mother Tailtiu's tragic fate and the suffering his surviving sister Tine endured. This results in him being concerned, and protective over Tine, as he resolves to never be separated from her ever again.
