I joined a game as a blue sentinel to fight off this mad invader in ithryll. I killed him and continued my playthrough on ng+2 but right when i got invaded by the same mad invader i just killed as a blue phantom. We had a duel and since he was a skrub he chugged estus like no tommorrow. He was spamming roll attacks with the curved greatsword idk why but i too k advantage of it and baited him into a parry and took his whole health bar he just healed. I felt so hyped cause i'd been practicing parrying with shields for my whole playthrough.