ok anda Anime finatics. i need your help on a Anime show. can anda please give me the name of the Anime atau it's characters

this Anime tunjuk is about 3 guys and a male kid who travel together defeating monsters. one of the guys is a monk. another guy is a gambler who likes smoking ang hot women. another guy has a pet dragon and the kid was found sejak the monk locked in a cage with a chain around his neck? if anda know what i am talking about please answer my question. thank you