Well, your concept of the seven deadly sins is Pride's fault... We've existed for much longer than that. That woman wasn't carrying one of Envy's eyes when you met her before, but she certainly is now. It's probably fair to warn you that that particular eye of hers allows the bearer to turn invisible.
"I'm Jack, like I said."
"Collin. I've got no idea who you are, but I guess it's nice to meet you."
Viola opens the door to your room, looking outside.
"...Drake? Oh, good, it's you. Where'd you get these two?"