Paladin's Self-Development Plan

Here is the adventurer party of the greatest paladin in the world. We have a swordsman captain who claims to be kind, gentle, pretty, cute, lively, pure and enthusiastic, a paladin who has no offensive ability but a defense comparable to a monster, our priest has an angelic smile but that doesn't seem to be complete, our magician likes reasoning and loves suspense and can see the truth of things. It's weird, she just loves it. Our ranger is, well... That's all. He is a gloomy man. This is the team that will conquer the Demon King in the future. Paladin: Demon King, he alone bears half of the blame for the world, he is the real blame-bearer.