[quote=@Bartimaeus]
Posted. Now, I forgot that one can assume a persuasion roll takes an action - in which case, I will edit my post so that Arkisz does not have an action readied.
[/quote] You can speak and ready an action at the same time. Though be aware that if you say something while initiative is in effect, you roll charisma checks with disadvantage if you speak for longer than six seconds. That being said, you've got some attack rolls to make.

[quote=@Bartimaeus]
Also, how large is this room, in terms of diameter or length I suppose.
[/quote] The room is twenty five feet long, twenty five feet wide, and fifteen feet high. There's also a porch just before the main room that's five feet long, fifteen feet wide, and ten feet high.