The Spiral of the Horned King's maze (not to be confused with The Labyrinth as a whole). Is Gash a friend or foe? The modrons' long, sad March to Nowhere. Prologue to Yeenoghu's Hunt (and how the heck do you say Yeenoghu, anyway). Readied actions. Sneak attacks, at range and otherwise. Damage from a character ...
We catch up to Tartuccio in the Ancient Tomb, recruit one of his companions (the downer cleric, but hey we need a cleric) and give the rest a nice old fashioned beat down. When we catch up to the evil little gnome again, we find out he can be literally more cold-blooded than we thought. ...
The Labyrinth continues with gargoyles and shadow demons at the mysterious adamantine tower. How often can you take a short rest? Dim light vs. bright light in game terms. How long does a readied action last? Surprise rules. What exactly are hit points? Challenge clever players, don't cheat them.