It's a fantasy role-playing game.

DM: You are Taryon Darrington, a human artificer . You are the member of the famous group of adventurers. Previously, With a high-level Hold Monster, he paralyzes Zahra, Kash, and both their mounts, sending them plummeting back over the side of the tower. As Vecna's wounds again begin to seal, he telekinetically raises the central platform of the broken tower.
DM: Okay. That brings us to, end of your turn, he's going to go ahead and use two legendary actions to cast Telekinesis with an extended range.
Player: What?! Telekinesis? What's he doing? What does that do? That moves things, right?
DM: Yes, but he has an extended range on all of his spells because of his-- yeah. For most of his spells, not all of them. So he looks down and begins to rise his hand up. You watch as the central column begins to shift.
Player: What's on there?
DM: Lift up higher and higher until about midway, there.
Player: What's that going to do?
DM: Going to adjust this a little bit so we can--
