Zen main here, did it before he was considered good for the sheer challenge of it. I seriously think it fun to be good with the stuff that others find to be difficult with. It's pretty gratifying to achieve that as well, it takes some time but I find it eventually. Always makes me wonder about others though. Anyway Zen is who you want to be when you need to fill the role of damage and healing when the rest of your team is doing neither somehow. Have at least thirty hours on him, and the next one after is mercy or something at seven. Also robot monk is just cool.