TED-Ed: The dungeon master's riddle | Alex Rosenthal

In this video, a necromancer faces a challenge from adventurers who have fallen into a trap. Each adventurer drank a potion that compels them to answer one question with either truth or a lie. The necromancer must identify the cleric among them to neutralize the threat. Through logical analysis of the adventurers' statements, using concepts from Boolean algebra, the necromancer deduces the cleric's identity and resolves the situation.

What is the main threat to the necromancer from the adventurers?

• The adventurers' teamwork

• The cleric's spells

• The rogue's stealth

• The fighter's strength

What effect does the cursed skull have on the adventurers?

• It teleports them away

• It enhances their powers

• It immobilizes them

• It makes them invisible

What is the purpose of the magical ring the necromancer carries?

• To summon more minions

• To make the adventurers invisible

• To render the cleric harmless

• To teleport the necromancer

According to Cedar, what did the cleric drink?

• A truth potion

• A lying potion

• A strength potion

• A healing potion

What logical method is used to analyze Bjorn's statement?

• Geometric calculations

• Arithmetic operations

• Boolean algebra

• Statistical analysis

Who is ultimately identified as the cleric?

• Agan

• Bjorn

• Cedar

• None of them

What transformation does the necromancer perform on the adventurers at the end?

• Makes them disappear

• Polymorphs them into skeletal mice

• Turns them into ghosts

• Turns them into stone