[It burns, and that heat is certainly helping Kaeya follow Ardyn to the edge.

It takes him a little bit longer, tentacles leaving him squirming even when Ardyn's stopped moving, but he comes soon enough, with a hoarse, ragged moan and a full-body shudder. At that point unless Ardyn holds him up he's hitting the floor. He's too tired and pleasure-numbed to force his legs to stay steady.]