It's a fantasy role-playing game.

DM: You are Percival de Rolo, a human gunslinger . You are the member of the famous group of adventurers. Previously, They see many Dragonborn with tails who were killed in the initial battle. After inspecting the lair and gaining a bit of semblance of a plan, Percy asks if it is possible for them to take one of the bodies.
DM: No, this is more of an icy terrain. Nevertheless, between the two of you keeping an eye out, through this Marduk Enki-loving fool over here--
Player: Bless you for knowing a Sumerian deity.
DM: You look off and see that most of it, and its design here is to be a sentry point. The reason it's built over the structure is it has a view of the entirety of this central open valley in the ravine. There are nooks and crannies. There are elements of ice that can be carved away. There are small alcoves that could be out of sight, lower beyond the ice steps and such, but there is no extremely visible pockets or things that are completely out of the visual sight from that perch. It was designed specifically to be a place to survey everything.
Player: Are there other perches?
DM: From what you can see here? There are outcroppings of stone and elements that jut out naturally from the valley wall, but it's a wide berth from each side.
Player: Does this seem like the only thing, or would there be other sentry points, as well?
DM: If flown to and held in, yeah. There are a couple of other rock areas where the dragon would be able to hold himself, but this is definitively--
