Sure, diving every day will increase your risk of dying, but unless you're overdoing it, each dive isn't significantly riskier than if you take breaks.
One's female, and looks pretty strong, but the other two are an old man and a tiny fairy. Can't say anything other than that he looks the second strongest.
Face of a demon, sure. Manga style demon, that may or may not be a succubus.
They speak down on him, but forget that their party is named after him. There might just be a reason for it.
Honestly, Morlock's rumors could have been so much worse, considering so many of his antics involved his penis.
It's for the better. Some stories are better left untold.