It's a fantasy role-playing game.

DM: You are Tiberius Stormwind, a dragonborn sorcerer . You are the member of the famous group of adventurers. Previously, On Vax's request, Gilmore procures a favor for him with the Lyceum. Vax also purchases three enchanted daggers, presumably as a gift for Kynan Leore.
DM: "If you're asking for access to one of our closely guarded sigils for the Thunderbrands, you say, within Kraghammer?"
Player: Yes, yes. We'll have to speak with them as well.
DM: "Well, then I will-- just one moment." And he reaches into a pouch and pulls out this mirror, this oval mirror and sets it onto his desk. Reaches underneath and pulls out a small chest. Opens up the chest, and you can see in this chest that there are probably two dozen of these tiny little marbles, all different colors, some different shapes, and he goes, these little labels you can't really see from your perspective. He takes one out, places it in the top of the mirror, and as he does, the mirror all of a sudden shimmers for a second, and what was originally a normal reflection is now this light, glowing blue, slightly glowing water-like surface. He takes it and lifts it up to himself. "Hello. Hello? Hello!" A moment later, you hear this distant voice echoing with this strange warbling filter over it. "I'm coming, what's taking your time. Yes, Headmaster, what do you require? Well, there's a gentleman here, dragonborn, who is requesting use of your sigil of teleportation. Do you know this gentleman?" Turns it around, and you can see in there, this is the same long-bearded dwarven individual that met you at the actual Thunderbrand house, and had a bit of an argument with you early in your travels in Kraghammer.
Player: We've got things for you, this time, like we said we would get for you. In the Underdark. It's really inconvenient, but we have things that we need to get to you quickly.
DM: "Now, listen here. Last we spoke, you and your friends stormed into our lair, nearly destroyed our precious arcane defenses of our homestead--"
Player: He was drinking. He's an alcoholic. He's got help since then.
DM: Make a deception check.
Player: What is it?
DM: This is deception. Well, you are an alcoholic, but that wasn't what he meant.
Player: 20.
DM: 20.  He goes, "Either way, we can't just let anyone willy-nilly knowing how to directly appear in the center of our homestead."
